{"id":8460,"date":"2022-01-19T18:58:33","date_gmt":"2022-01-19T13:28:33","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=8460"},"modified":"2023-12-21T16:51:21","modified_gmt":"2023-12-21T11:21:21","slug":"cbse-sample-papers-class-12-chemistry-solved-2016-set-9","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/","title":{"rendered":"CBSE Sample Papers &#8211; Class 12 Chemistry Solved 2016 Set 9"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Chemistry_2016_Set_9\" title=\"Chemistry 2016 Set 9\">Chemistry 2016 Set 9<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_A\" title=\"                                      Section A\">                                      Section A<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_B\" title=\"                                      Section B\">                                      Section B<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_C\" title=\"Section C \n\">Section C \n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_D\" title=\" Section D\"> Section D<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_E\" title=\"  Section E\">  Section E<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Ans\" title=\"Ans\">Ans<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_A-2\" title=\"Section A\">Section A<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_B-2\" title=\"Section B\">Section B<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_C-2\" title=\" Section C \n\"> Section C \n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_D-2\" title=\"Section D\">Section D<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/#Section_E-2\" title=\" Section E\"> Section E<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Chemistry_2016_Set_9\"><\/span><strong>Chemistry 2016 Set 9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Get CBSE Sample Papers for Class 12 Chemistry on Infinity Learn for free.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>                                      Section A<\/strong><\/h3>\n<p>1. Mention a chemical reaction involving a homogeneous catalyst.<\/p>\n<p>2. Write the balanced equation for the reaction of CaNCN with water.<\/p>\n<p>3. Give one chemical test to distinguish between ethanol(acetaldehyde) and benzaldehyde.<\/p>\n<p>4. What type of bonding helps in stabilising the a-helix structure of proteins?<\/p>\n<p>5. Explain, why MeNH<sub>2<\/sub> is a stronger base than MeOH?<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>                                      Section B<\/strong><\/h3>\n<p>6. While separating a mixture of ortho and para-nitrophenols by steam distillation, name the isomer which will be steam volatile. Give reasons.<\/p>\n<p>7. Niobium crystallises in a body-centred cubic structure. If the density is 8.55 gem<sup>-3<\/sup>, calculate the atomic radius of niobium using its atomic mass of 93 u.<\/p>\n<p>8. An alloy of gold and cadmium crystallised with a cubic structure in which gold atoms occupy the corners and cadmium atoms fit into the face centres. Assign formula for this alloy.<br \/>\nOr<br \/>\nGive reasons.<br \/>\n(i)FeO(s) is not formed in the stoichiometric composition.<br \/>\n(ii)The electrical conductivity of semiconductors increases with rising temperature.<\/p>\n<p>9. If 80% ofHg<sub>2<\/sub>Cl<sub>2<\/sub> is ionised in the solution then what will be the can&#8217;t Hoff factor of Hg<sub>2<\/sub>Cl<sub>2<\/sub> in the given aqueous solution<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297102543_c043bfe13e_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-1\" width=\"723\" height=\"145\" \/><\/p>\n<h3><span style=\"color: #0000ff;\"><strong>                               <\/strong><\/span><\/h3>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Section_C\"><\/span><strong>Section C<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23295672444_0bd99302fb_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-2\" width=\"742\" height=\"144\" \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>12.(i) H<sub>3<\/sub>P0<sub>2<\/sub> and H<sub>3<\/sub>P0<sub>3<\/sub> act as good reducing agents while H<sub>3<\/sub>P0<sub>4<\/sub> does not. Discuss.<br \/>\n(ii) Explain, why both N and Bi do not form pentahalides while phosphorus does?<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923872625_81e097cbbe_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-3\" width=\"1058\" height=\"205\" \/><\/p>\n<p>14. (i) Arrange the following compounds in the increasing order of dipole moment.CH<sub>3C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2 C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>3<\/sub>, CH<sub>3C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2N<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2<\/sub>, CH<sub>3C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2OH<\/sub><br \/>\n(ii) How will you convert 3-methylaniline into 3-nitrotoluene? Give chemical equation.<\/p>\n<p>15. Explain, how does 1, 3-butadiene polymerise by different routes?<\/p>\n<p>16. (i) Explain the formation of nucleic acid.<br \/>\n(ii)Show the peptide linkage in glycylalanine.<\/p>\n<p>17. Write the equations involved in the following reactions.<br \/>\n(i)Williamson\u2019s ether synthesis<br \/>\n(ii)Kolbe\u2019s reaction<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628213010_0b6f4b4e5a_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-4\" width=\"852\" height=\"128\" \/><\/p>\n<p>19. (i) Name one substance that can act as both<br \/>\n(a)analgesics and antipyretic.<br \/>\n(b)antiseptic and disinfectant.<br \/>\n(ii) Explain broad-spectrum antibiotics with suitable examples.<\/p>\n<p>20. Answer the following:<br \/>\n(i)How is copper extracted from low grade copper ores?<br \/>\n(ii)Although carbon and hydrogen are better reducing agents they are not used to reduce metallic oxides at high temperatures. Why?<br \/>\n(iii)Give two differences between calcination and roasting.<\/p>\n<p>21.(i) What happens when electric field is applied to colloidal solution?<br \/>\n(ii)Why does the white precipitate of silver halide become coloured in the presence of dye eosin?<br \/>\n(iii)What is the role of activated charcoal in gas mask used in coal mines?<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815585132_52f5c725f7_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-5\" width=\"1053\" height=\"330\" \/><\/p>\n<h3><span style=\"color: #0000ff;\"><strong>                                       <\/strong><\/span><\/h3>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Section_D\"><\/span><strong> Section D<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815584002_c6d64b69c9_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-6\" width=\"1059\" height=\"320\" \/><\/p>\n<h3><\/h3>\n<h3 style=\"text-align: center;\"><strong>  Section E<\/strong><\/h3>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897796306_ced7f6e193_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-7\" width=\"1046\" height=\"195\" \/><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23841388751_1f7cc95286_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-8\" width=\"1038\" height=\"342\" \/><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23295669564_5511e9f8f9_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-10\" width=\"911\" height=\"380\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ans\"><\/span><span style=\"color: #0000ff;\"><strong>Ans<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Section_A-2\"><\/span><strong>Section A<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>1.Mention a chemical reaction involving a homogeneous catalyst.<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923869215_54c26b8f14_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-11\" width=\"459\" height=\"120\" \/><\/p>\n<p><strong>2.Write the balance equation for the reaction of CaNCN with water.<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23841387641_470ae33687_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-12\" width=\"462\" height=\"88\" \/><\/p>\n<p><strong>3.Give one chemical test to distinguish between ethanal(acetaldehyde) and benzaldehyde.<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815581762_134d14931f_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-13\" width=\"469\" height=\"187\" \/><\/p>\n<p><strong>4.What type of bonding helps in stabilising the a-helix structure of proteins?<\/strong><br \/>\n<strong>Ans.<\/strong>Hydrogen bonding helps in stabilising the a-helix structure of proteins<\/p>\n<p><strong>5.Explain, why MeNH<sub>2<\/sub> is stronger base than MeOH?<\/strong><br \/>\n<strong>Ans.<\/strong>Nitrogen is less electronegative than oxygen. Therefore, lone pair of electrons on nitrogen is readily available for donation. Hence, MeNH<sub>2<\/sub> is more basic than MeOH<\/p>\n<h3><strong><span style=\"color: #0000ff;\">                                      <\/span><\/strong><\/h3>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Section_B-2\"><\/span><strong>Section B<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>6.While separating a mixture of ortho and para-nitrophenols by steam distillation, name the isomer which will be steam volatile. Give reasons.<\/strong><br \/>\n<strong>Ans.<\/strong>o-nitrophenol is steam volatile due to chelation and hence, can be separated by steam distillation from p-nitrophenol which is not steam volatile because of intermolecular H-bonding<\/p>\n<p><strong>7.Niobium crystallises in body centred cubic structure. If density is 8.55 gem<sup>-3<\/sup> , calculate atomic radius of niobium using its atomic mass 93 u.<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897794246_c64c87ca98_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-14\" width=\"459\" height=\"402\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23556025789_cb25318708_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-15\" width=\"469\" height=\"152\" \/><\/p>\n<p><strong>8.An alloy of gold and cadmium crystallised with a cubic structure in which gold atom occupy the corners and cadmium atoms fit into the face centres. Assign formula for this alloy.<\/strong><br \/>\n<strong>Or<\/strong><br \/>\n<strong>Give reasons.<\/strong><br \/>\n<strong>(i)FeO(s) is not formed in stoichiometric composition.<\/strong><br \/>\n<strong>(ii)The electrical conductivity of semiconductors increases with rise in temperature.<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897793876_ac597dbec1_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-16\" width=\"519\" height=\"213\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628209250_eed9e45474_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-17\" width=\"499\" height=\"266\" \/><\/p>\n<p><strong>9.If 80% ofHg<sub>2<\/sub>Cl<sub>2<\/sub> is ionised in the solution then what will be the van\u2019t Hoff factor of Hg<sub>2<\/sub>Cl<sub>2<\/sub> in the given aqueous solution<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23295667134_b495dfb754_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-18\" width=\"384\" height=\"305\" \/><\/p>\n<p><strong><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297102543_c043bfe13e_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-1\" width=\"723\" height=\"145\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297096643_3759543f18_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-19\" width=\"496\" height=\"213\" \/><\/p>\n<h3><strong><span style=\"color: #0000ff;\">                              <\/span><\/strong><\/h3>\n<h3 style=\"text-align: center;\"><strong> Section C<\/strong><br \/>\n<strong><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23295672444_0bd99302fb_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-2\" width=\"742\" height=\"144\" \/><\/strong><\/h3>\n<p><strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923866955_00c93a369e_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-20\" width=\"357\" height=\"177\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897792856_4dccbe154f_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-21\" width=\"473\" height=\"336\" \/><\/p>\n<p><strong>12.(i) H<sub>3<\/sub>P0<sub>2<\/sub> and H<sub>3<\/sub>P0<sub>3<\/sub> act as good reducing agents while H<sub>3<\/sub>P0<sub>4<\/sub> does not. Discuss.<\/strong><br \/>\n<strong>(ii) Explain, why both N and Bi do not form pentahalides while phosphorus does?<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815579812_c1d0c6a22d_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-22\" width=\"448\" height=\"415\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297095713_fc6134915f_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-23\" width=\"463\" height=\"324\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815578962_e799682bb1_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-24\" width=\"461\" height=\"209\" \/><\/p>\n<p><strong><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923872625_81e097cbbe_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-3\" width=\"1058\" height=\"205\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815578712_db39a660a2_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-25\" width=\"485\" height=\"233\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628206800_da540023c2_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-26\" width=\"504\" height=\"287\" \/><\/p>\n<p><strong>14.(i) Arrange the following compounds in the increasing order of dipole moment.CH<sub>3C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2 C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>3<\/sub>, CH<sub>3C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2N<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2<\/sub>, CH<sub>3C<span style=\"font-size: 16px; line-height: 24px;\">H<\/span><\/sub><sub>2OH<\/sub><\/strong><br \/>\n<strong>(ii) How will you convert 3-methylaniline into 3-nitrotoluene? Give chemical equation.<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897790846_a46d57d27c_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-27\" width=\"525\" height=\"311\" \/><\/p>\n<p><strong>15.Explain, how does 1, 3-butadiene polymerise by different routes?<\/strong><br \/>\n<strong>Ans.<\/strong>1,3-butadiene is a conjugate diene and its free radical polymerisation can occur in following two ways :<br \/>\n(i) When the polymerisation takes place at C-| and C4 of butadiene, an unbranched polymer is formed.<br \/>\nIt can exist either as trans-polybutadiene or as c\/s-isomer or as a mixture of both<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23556022409_162884b208_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-28\" width=\"517\" height=\"271\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297094113_5acdfa905c_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-29\" width=\"487\" height=\"237\" \/><\/p>\n<p><strong>16.(i) Explain the formation of nucleic acid.<\/strong><br \/>\n<strong>(ii)Show the peptide linkage in glycylalanine.<\/strong><br \/>\n<strong>Ans.<\/strong>(i) Nucleic acids are biopolymers made up of nucleotide which are joined together to form a long chain. Each nucleotide is composed of a nucleoside bonded to a phosphate group and each nucleoside is composed of an aldopentose sugar linked to a heterocyclic purine or pyrimidine base<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23841383651_a8aaf57c81_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-30\" width=\"489\" height=\"157\" \/><br \/>\nThe nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), (the sugar component in RNA is ribose and the sugar in DNA is 2\u2019-oxyribose) are the chemical carriers of a cell\u2019s genetic information. DNA has all the information that determines the nature of the cell, controls cell growth and division, and directs biosynthesis of the enzymes and other proteins required for all cellular functions<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923864015_93e4178c23_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-31\" width=\"472\" height=\"291\" \/><\/p>\n<p><strong>17.Write the equations involved in the following reactions.<\/strong><br \/>\n<strong>(i)Williamson\u2019s ether synthesis<\/strong><br \/>\n<strong>(ii)Kolbe\u2019s reaction<\/strong><br \/>\n<strong>Ans.<\/strong>(i) Williamson\u2019s synthesis The reaction of alkyl halides with sodium alkoxide or sodium phenoxide to form ethers is called Williamson\u2019s synthesis.<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297093403_a66bd1aac0_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-32\" width=\"465\" height=\"289\" \/><br \/>\n(ii) Kolbe\u2019s reaction Sodium phenoxide reacts with carbon dioxide under pressure (4-7 atm) at 400 K to form salicylate which upon acidification with mineral acids gives salicylic acid. This reaction called Kolbe\u2019s reaction.<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628205060_61f2b13884_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-33\" width=\"487\" height=\"257\" \/><\/p>\n<p><strong><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628213010_0b6f4b4e5a_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-4\" width=\"852\" height=\"128\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297093063_9a39fc9a87_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-34\" width=\"498\" height=\"250\" \/><\/p>\n<p><strong>19.(i) Name one substance which can act as both<\/strong><br \/>\n<strong>(a)analgesics and antipyretic.<\/strong><br \/>\n<strong>(b)antiseptic and disinfectant.<\/strong><br \/>\n<strong>(ii) Explain broad spectrum antibiotics with suitable example.<\/strong><br \/>\n<strong>Ans.<\/strong>(i) (a) Aspirin acts as both analgesics and antipyretic<br \/>\n(b) 0.2% solution of phenol is an antiseptic while, its 1 % solution is disinfectant.<br \/>\n(ii) Antibiotic which kill or inhibit the growth of wide range of gram-positive and gram-negative bacteria are called broad spectrum antibiotics, e.g. chloramphenicol<\/p>\n<p><strong>20.Answer the following:<\/strong><br \/>\n<strong>(i)How is copper extracted from low grade copper ores?<\/strong><br \/>\n<strong>(ii)Although carbon and hydrogen are better reducing agents but they are not used to reduce metallic oxides at high temperatures. Why?<\/strong><br \/>\n<strong>(iii)Give two differences between calcination and roasting.<\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923863045_cd8d44a974_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-35\" width=\"485\" height=\"163\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23556020729_3a61800a5e_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-36\" width=\"486\" height=\"361\" \/><\/p>\n<p><strong>21.(i) What happens when electric field is applied to colloidal solution?<\/strong><br \/>\n<strong>(ii)Why does the white precipitate of silver halide become coloured in the presence of dye eosin?<\/strong><br \/>\n<strong>(iii)What is the role of activated charcoal in gas mask used in coal mines?<\/strong><br \/>\n<strong>Ans.<\/strong>(i) When electric field is applied to colloidal solution then the charged particles of colloid start moving towards oppositely charged electrodes.<br \/>\n(ii) Eosin is adsorbed on the surface of silver halide precipitate making it coloured.<br \/>\n(iii)Activated charcoal acts as an adsorbent of various poisonous gases present in the coal mines.<\/p>\n<p><strong><img loading=\"lazy\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815585132_52f5c725f7_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-5\" width=\"1053\" height=\"330\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23295662544_f63bee2bee_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-37\" width=\"456\" height=\"273\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628203530_52c6b644b1_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-38\" width=\"496\" height=\"206\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628203440_0cdc8f62b0_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-39\" width=\"541\" height=\"340\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23841381251_50f6c6fae6_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-40\" width=\"506\" height=\"291\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815574932_a529363406_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-41\" width=\"406\" height=\"236\" \/><\/p>\n<h3><strong><span style=\"color: #0000ff;\">                                        <\/span><\/strong><\/h3>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Section_D-2\"><\/span><strong>Section D<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23815584002_c6d64b69c9_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-6\" width=\"1059\" height=\"320\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n(i) The given reaction is exothermic and thus, low temperature may favour forward reaction. But at low temperature, rate of formation of S03 (and thus FI^O^ is very slow. Thus, temperature is kept about 700 K. At low temperature, forward reaction is favoured but takes longer time and thus, is not economical.<br \/>\n(ii)Contact process is adopted by Industry A Since, it is<br \/>\nenvironment friendly. Lead chamber process uses lead and causes pollution.<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897786606_e7753be8dc_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-42\" width=\"520\" height=\"199\" \/><\/p>\n<h3><strong><span style=\"color: #0000ff;\">                                    <\/span><\/strong><\/h3>\n<h3 style=\"text-align: center;\"><strong> Section E<\/strong><\/h3>\n<p><strong><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897796306_ced7f6e193_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-7\" width=\"1046\" height=\"195\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897786456_f032d26760_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-43\" width=\"388\" height=\"296\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897786226_30818d1eaa_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-44\" width=\"427\" height=\"201\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923860725_0d34000d7e_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-45\" width=\"423\" height=\"377\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297090063_50e9a6d3cd_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-46\" width=\"481\" height=\"352\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923860285_6845184e86_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-47\" width=\"506\" height=\"332\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23628201040_330788cdb6_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-48\" width=\"405\" height=\"117\" \/><\/p>\n<p><strong><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23841388751_1f7cc95286_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-8\" width=\"1038\" height=\"342\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23897784316_9ebd393404_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-49\" width=\"518\" height=\"301\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23841378361_57b07e25c7_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-50\" width=\"515\" height=\"289\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23295658694_f35eb804ba_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-51\" width=\"528\" height=\"167\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23923858885_54ccab6c86_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-52\" width=\"1050\" height=\"325\" \/><\/p>\n<p><strong><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23295669564_5511e9f8f9_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-10\" width=\"911\" height=\"380\" \/><\/strong><br \/>\n<strong>Ans.<\/strong><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297088283_3c1ba9c064_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-53\" width=\"789\" height=\"207\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23297088193_328099608d_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-54\" width=\"591\" height=\"321\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/23841377671_6b086055d7_o.png\" alt=\"CBSE Sample Papers for Class 12 SA2 Chemistry Solved 2016 Set 9-55\" width=\"771\" height=\"439\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chemistry 2016 Set 9 Get CBSE Sample Papers for Class 12 Chemistry on Infinity Learn for free. &nbsp; Section A [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Class 12 Chemistry CBSE Sample Papers Set 9 2016","_yoast_wpseo_title":"Class 12 Chemistry CBSE Sample Papers Set 9 2016","_yoast_wpseo_metadesc":"Get Class 12 Chemistry CBSE Sample Papers Set 9 from 2016 for practice. Perfect for exam preparation and understanding exam format.\"","custom_permalink":"study-materials\/cbse-sample-papers\/class-12\/chemistry-solved-2016-set-9\/"},"categories":[116,21],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Class 12 Chemistry CBSE Sample Papers Set 9 2016<\/title>\n<meta name=\"description\" content=\"Get Class 12 Chemistry CBSE Sample Papers Set 9 from 2016 for practice. 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