{"id":89802,"date":"2022-02-12T18:06:31","date_gmt":"2022-02-12T12:36:31","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=89802"},"modified":"2024-02-22T12:27:12","modified_gmt":"2024-02-22T06:57:12","slug":"study-material-cbse-notes-class-12-chemistry-to-analyse-the-given-salt-for-acidic-and-basic-radicals","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/","title":{"rendered":"To Analyse the Given Salt for Acidic and Basic Radicals"},"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-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#What_is_Salt_Analysis\" title=\"What is Salt Analysis?\">What is Salt Analysis?<\/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-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#Analyse_the_Given_Salt_for_Acidic_and_Basic_Radicals_Experiments\" title=\"Analyse the Given Salt for Acidic and Basic Radicals: Experiments\">Analyse the Given Salt for Acidic and Basic Radicals: Experiments<\/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-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#Result\" title=\"Result\">Result<\/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-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#Result-2\" title=\"Result\">Result<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#More_Resources_for_Class_12\" title=\"More Resources for Class 12\">More Resources for Class 12<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#Frequently_Asked_Questions_FAQs\" title=\"Frequently Asked Questions (FAQs)\">Frequently Asked Questions (FAQs)<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/study-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#How_do_you_identify_acids_and_basic_radicals_in_salt\" title=\"How do you identify acids and basic radicals in salt?\">How do you identify acids and basic radicals in salt?<\/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-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#How_is_the_original_solution_prepared_in_salt_analysis\" title=\"How is the original solution prepared in salt analysis?\">How is the original solution prepared in salt analysis?<\/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-material\/cbse-notes\/class-12\/chemistry\/to-analyse-the-given-salt-for-acidic-and-basic-radicals\/#What_is_the_acid_radical_of_the_salt_is_detected_to_be\" title=\"What is the acid radical of the salt is detected to be?\">What is the acid radical of the salt is detected to be?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Salt_Analysis\"><\/span>What is Salt Analysis?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Salt analysis, also called qualitative inorganic analysis, identifies cations and anions in salts. It involves systematic tests to confirm their presence. It&#8217;s crucial in CBSE Class 12 Chemistry practicals, often challenging for students. At Infinity learn, we simplify this topic for easy comprehension. If you&#8217;re puzzled about salt analysis methods or memorization, our article provides answers. We also share tips and shortcuts for quick analysis in chemistry practicals.<\/p>\n<p style=\"text-align: center;\"><strong>Click Here: <a href=\"https:\/\/infinitylearn.com\/surge\/cbse\/cbse-class-12-syllabus\/\">CBSE Syllabus For Class 12<\/a><\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Analyse_the_Given_Salt_for_Acidic_and_Basic_Radicals_Experiments\"><\/span>Analyse the Given Salt for Acidic and Basic Radicals: Experiments<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered table-striped\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr style=\"background-color: #89cff0; color: black;\">\n<td><strong>Experiment<\/strong><\/td>\n<td><strong>Observations<\/strong><\/td>\n<td><strong>Inference<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>1. Physical examination:<\/strong><\/p>\n<p>(a) Noted the colour of the given salt.<\/p>\n<p>(b) Noted the smell of the salt.<\/td>\n<td>White<\/p>\n<p>No specific odour<\/td>\n<td>Cu<sup>2+<\/sup>, Mn<sup>2+<\/sup>, Co<sup>2+<\/sup>, Ni<sup>2+<\/sup>, Fe<sup>3+<\/sup> absent.<\/p>\n<p>NH<sub>4<\/sub><sup>+<\/sup>, S<sup>2-<\/sup> and CH<sub>3<\/sub>COO<sup>\u2013 <\/sup>may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>2. Dry heating test<\/strong><\/p>\n<p>Heated a pinch of the salt in a dry test tube and noted the following observations :<\/p>\n<p>(a) Gas evolved<\/p>\n<p>(b) Sublimation<\/p>\n<p>(c) Decrepitation<\/p>\n<p>(d) Colour of the residue<\/td>\n<td>A reddish brown gas evolved which turned FeSO<sub>4<\/sub> solution black.<\/p>\n<p>No sublimate formed.<\/p>\n<p>No crackling sound observed.<\/p>\n<p>White<\/td>\n<td>N0<sup>3-<\/sup> may be present.<\/p>\n<p>Ammonium halides, aluminium chloride, iodide may be absent.<\/p>\n<p>Lead nitrate, barium<\/p>\n<p>nitrate, may be absent.<\/p>\n<p>Ba<sup>2+<\/sup>, Sr<sup>2+<\/sup>, Ca<sup>2+<\/sup>, Al<sup>3+<\/sup>, Mg<sup>2+<\/sup>, etc., may be present.<\/td>\n<\/tr>\n<tr>\n<td>3. Charcoal cavity test<\/p>\n<p>Mixed a pinch of the salt with double the quantity of Na<sub>2<\/sub>CO<sub>3<\/sub> and heated the mixture on a charcoal cavity in the reducing flame.<\/td>\n<td>White residue.<\/td>\n<td>Ba<sup>2+<\/sup>, Sr<sup>2+<\/sup>, Ca<sup>2+<\/sup>, Al<sup>3+<\/sup>, Mg<sup>2+<\/sup>,<\/p>\n<p>etc., may be present.<\/td>\n<\/tr>\n<tr>\n<td><strong>4. Cobalt nitrate test<\/strong><\/p>\n<p>To the above white residue added a drop of cobalt nitrate solution. Heated it in oxidising flame.<\/td>\n<td>No characteristic colour.<\/td>\n<td>Al<sup>3+<\/sup>, Zn<sup>2+<\/sup>\u201eMg<sup>2+<\/sup>, PO<sub>4<\/sub><sup>3-<\/sup>, may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>5. Flame test<\/strong><\/p>\n<p>Prepared a paste of the salt<\/p>\n<p>with cone. HCl and performed flame test.<\/td>\n<td>Persistent grassy green flame<\/p>\n<p>on prolonged heating.<\/td>\n<td>Ba<sup>2+<\/sup> present.<\/td>\n<\/tr>\n<tr>\n<td><strong>6. Borax bead test<\/strong><\/p>\n<p>Did not perform this test since the given salt was white.<\/td>\n<td>\u2013<\/td>\n<td>Cu<sup>2+<\/sup>, Mn<sup>2+<\/sup>, Co<sup>2+<\/sup>, Ni<sup>2+<\/sup>, Fe<sup>3+<\/sup> may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>7. Dil. sulphuric acid test<\/strong><\/p>\n<p>Treated a pinch of the salt with dil. H<sub>2<\/sub>SO<sub>4<\/sub> and warmed.<\/td>\n<td>No gas evolved.<\/td>\n<td>CO<sub>3<\/sub><sup>2-<\/sup>, S<sup>2-<\/sup>, SO<sub>3<\/sub><sup>2-<\/sup>, NO<sub>2<\/sub><sup>\u2013<\/sup> may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>8. KMnO<sub>4<\/sub> test<\/strong><\/p>\n<p>To a pinch of the salt added dil. H<sub>2<\/sub>SO<sub>4<\/sub> and a drop of KMnO<sub>4<\/sub> solution.<\/td>\n<td>Pink colour of KMnO<sub>4 <\/sub>was not<\/p>\n<p>discharged.<\/td>\n<td>Cl<sup>\u2013<\/sup>, Br<sup>\u2013<\/sup>, I<sup>\u2013<\/sup>, C<sub>2<\/sub>O<sub>4<\/sub><sup>2- <\/sup>and Fe<sup>2+ <\/sup>may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>9. Cone, sulphuric acid test<\/strong><\/p>\n<p>Heated a pinch of the salt with cone, sulphuric acid and added to it a paper pellet.<\/td>\n<td>A reddish brown gas evolved which turned FeSO<sub>4<\/sub> solution black.<\/td>\n<td>NO<sub>3<\/sub><sup>\u2013<\/sup> may be present.<\/td>\n<\/tr>\n<tr>\n<td><strong>10. Confirmatory test for ni-trate<\/strong><\/p>\n<p>(a) Copper chips test. Heated a pinch of the salt with cone, sulphuric acid and a few copper chips.<\/p>\n<p>(b) Ring test. To 2-3 ml of the salt solution, added freshly pre-pared FeSO<sub>4<\/sub> solution. Then added cone, sulphuric acid along the sides of the test tube.<\/td>\n<td>Reddish brown gas evolved.<\/p>\n<p>A dark brown ring formed at the junction of the two liquids.<\/td>\n<td>NO<sub>3<\/sub><sup>\u2013<\/sup> confirmed.<\/p>\n<p>NO<sub>3<\/sub><sup>\u2013<\/sup> confirmed.<\/td>\n<\/tr>\n<tr>\n<td><strong>11. Heated a pinch of salt with cone. NaOH solution<\/strong><\/td>\n<td>No ammonia gas evolved.<\/td>\n<td>NH<sub>4<\/sub><sup>+<\/sup> absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>12. Preparation of Original Solution (O.S.)<\/strong><\/p>\n<p>Shook a pinch of the salt with water.<\/td>\n<td>Solution obtained<\/td>\n<td>Labelled it as Original Solution (O.S.)<\/td>\n<\/tr>\n<tr>\n<td><strong>13. To a part of the O.S. added 1-2 ml of dilute hydro-chloric acid.<\/strong><\/td>\n<td>No ppt. formed.<\/td>\n<td>Group I absent. (Pb<sup>2+<\/sup> absent)<\/td>\n<\/tr>\n<tr>\n<td><strong>14. Through a part of the above solution, passed H<sub>2<\/sub>S gas.<\/strong><\/td>\n<td>No ppt. formed.<\/td>\n<td>Group II absent (Pb<sup>2+<\/sup>, Cu<sup>2+<\/sup>, As<sup>3+<\/sup>, absent)<\/td>\n<\/tr>\n<tr>\n<td><strong>15. To the remaining solution, added a pinch of solid ammonium chloride. Boiled the solution, cooled it and added excess of ammonium hydroxide solution.<\/strong><\/td>\n<td>No ppt. formed.<\/td>\n<td>Fe<sup>3+<\/sup>, Al<sup>3+<\/sup> absent<\/td>\n<\/tr>\n<tr>\n<td><strong>16. Through a part of the above solution, passed H<sub>2<\/sub>S gas.<\/strong><\/td>\n<td>No ppt. formed.<\/td>\n<td>Group IV absent.<\/p>\n<p>(Zn<sup>2+<\/sup>, Mn<sup>2+<\/sup>, Co<sup>2+<\/sup> and Ni<sup>2+<\/sup> absent)<\/td>\n<\/tr>\n<tr>\n<td><strong>17. To the remaining ammonical solution added ammonium carbonate solution.<\/strong><\/td>\n<td>White ppt. formed.<\/td>\n<td>Group V present.<\/p>\n<p>(Ca<sup>2+<\/sup>, Ba<sup>2+<\/sup>, Sr<sup>2+<\/sup> may be present)<\/td>\n<\/tr>\n<tr>\n<td><strong>18. Confirmatory test for Ba<sup>2+<\/sup> ion<\/strong><\/p>\n<p>Filtered the above white ppt. Dissolved the ppt. in hot dilute acetic acid.<\/p>\n<p>(a) Pot. chromate test. To one part of the above solution, added a few drops of pot. chromate solution.<\/p>\n<p>(b) Flame test. Performed flame test with the salt.<\/td>\n<td>Yellow ppt.<\/p>\n<p>Persistent grassy green flame on prolonged heating.<\/td>\n<td>Ba<sup>2+<\/sup> confirmed.<\/p>\n<p>Ba<sup>2+<\/sup> confirmed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Result\"><\/span>Result<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Acid radical : NO<sub>3<\/sub><sup>\u2013<\/sup><br \/>\nBasic radical : Ba<sup>2+<\/sup>.<\/p>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered table-striped\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr style=\"background-color: #89cff0; color: black;\">\n<td><strong>Experiment<\/strong><\/td>\n<td><strong>Observations<\/strong><\/td>\n<td><strong>Inference<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>1. Physical examination:<\/strong><\/p>\n<p>(a) Noted the colour of the<\/p>\n<p>given salt.<\/p>\n<p>(b) Noted the smell of the salt.<\/td>\n<td>White<\/p>\n<p>No specific odour<\/td>\n<td>Cu<sup>2+<\/sup>, Mn<sup>2+<\/sup>, Co<sup>2+<\/sup>, Ni<sup>2+<\/sup>, Fe<sup>3+<\/sup> absent.<\/p>\n<p>NH<sub>4<\/sub><sup>+<\/sup>, S<sup>2-<\/sup> and CH<sub>3<\/sub>COO<sup>\u2013 <\/sup>may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>2. Dry heating test<\/strong><\/p>\n<p>Heated a pinch of the salt in a dry test tube and noted the following observations :<\/p>\n<p>(a) Gas evolved<\/p>\n<p>(b) Sublimation<\/p>\n<p>(c) Decrepitation<\/p>\n<p>(d) Colour of the residue<\/td>\n<td>A colorless gas evolved which turned lime water milky.<\/p>\n<p>No sublimate formed.<\/p>\n<p>No crackling sound observed.<\/p>\n<p>Yellow when hot and white when cold<\/td>\n<td>CO<sub>3<\/sub><sup>2-<\/sup> may be present.<\/p>\n<p>Ammonium halides, aluminium chloride, iodide may be absent.<\/p>\n<p>Lead nitrate, barium<\/p>\n<p>nitrate, may be absent.<\/p>\n<p>Zn<sup>2+ <\/sup>may be present.<\/td>\n<\/tr>\n<tr>\n<td><strong>3. Charcoal cavity test<\/strong><\/p>\n<p>Mixed a pinch of the salt with double the quantity of Na<sub>2<\/sub>CO<sub>3<\/sub> and heated the mixture on a charcoal cavity in the reducing flame.<\/td>\n<td>Yellow when hot and white when cold<\/td>\n<td>Zn<sup>2+ <\/sup>may be present.<\/td>\n<\/tr>\n<tr>\n<td><strong>4. Cobalt nitrate test<\/strong><\/p>\n<p>To the above white residue added a drop of cobalt nitrate solution. Heated it in oxidising flame.<\/td>\n<td>Green Residue<\/td>\n<td>Zn<sup>2+ <\/sup>may be pesent.<\/td>\n<\/tr>\n<tr>\n<td><strong>5. Flame test<\/strong><\/p>\n<p>Prepared a paste of the salt<\/p>\n<p>with cone. HCl and performed flame test.<\/td>\n<td>Green flashes seen with naked eye<\/td>\n<td>Zn<sup>2+ <\/sup>, Mn<sup>2+ <\/sup>may be present.<\/td>\n<\/tr>\n<tr>\n<td><strong>6. Borax bead test<\/strong><\/p>\n<p>Did not perform this test since the given salt was white.<\/td>\n<td>\u2013<\/td>\n<td>Cu<sup>2+<\/sup>, Mn<sup>2+<\/sup>, Co<sup>2+<\/sup>, Ni<sup>2+<\/sup>, Fe<sup>3+<\/sup> may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>7. Dil. sulphuric acid test<\/strong><\/p>\n<p>Treated a pinch of the salt with dil. H<sub>2<\/sub>SO<sub>4<\/sub> and warmed.<\/p>\n<p>Shook a pinch of salt with water taken in test tube.<\/td>\n<td>Colourless, odourless gas evolved with brisk effervescence, turned lime water milky.<\/p>\n<p>Salt did not dissolve.<\/td>\n<td>CO<sub>3<\/sub><sup>2-<\/sup> present<\/p>\n<p>Insoluble CO<sub>3<\/sub><sup>2- <\/sup>indicated.<\/td>\n<\/tr>\n<tr>\n<td><strong>8. KMnO<sub>4<\/sub> test<\/strong><\/p>\n<p>To a pinch of the salt added dil. H<sub>2<\/sub>SO<sub>4<\/sub> and a drop of KMnO<sub>4<\/sub> solution.<\/td>\n<td>Pink colour of KMnO<sub>4 <\/sub>was not discharged.<\/td>\n<td>Cl<sup>\u2013<\/sup>, Br<sup>\u2013<\/sup>, I<sup>\u2013<\/sup>, C<sub>2<\/sub>O<sub>4<\/sub><sup>2- <\/sup>and Fe<sup>2+ <\/sup>may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>9. Cone, sulphuric acid test<\/strong><\/p>\n<p>This test was not performed as the salt reacted with dil. H<sub>2<\/sub>SO<sub>4<\/sub>.<\/td>\n<td>\u2013<\/td>\n<td>Cl<sup>\u2013<\/sup>, Br<sup>\u2013<\/sup>, I<sup>\u2013<\/sup>, C<sub>2<\/sub>O<sub>4<\/sub><sup>2-<\/sup>, CH<sub>3<\/sub>COO<sup>\u2013 <\/sup>and Fe<sup>2+ <\/sup>may be absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>10. Confirmatory test for carbonate<\/strong><\/p>\n<p>Tried to dissolve the salt in water.<\/p>\n<p>To the salt added dil HCl<\/td>\n<td>The salt is insoluble in water.<\/p>\n<p>Brisk effervescence with evolution of colourless, odourless gas which turned lime water milky.<\/td>\n<td>Insoluble carbonate.<\/p>\n<p>Insoluble carbonate confirmed.<\/td>\n<\/tr>\n<tr>\n<td><strong>11. Heated a pinch of salt with cone. NaOH solution<\/strong><\/td>\n<td>No ammonia gas evolved.<\/td>\n<td>NH<sub>4<\/sub><sup>+<\/sup> absent.<\/td>\n<\/tr>\n<tr>\n<td><strong>12. Preparation of Original Solution (O.S.)<\/strong><\/p>\n<p>(a) Shook a pinch of the salt with water.<\/p>\n<p>(b) Shook a pinch of the salt in dil. HCl.<\/td>\n<td>Insoluble<\/p>\n<p>Clear solution obtained<\/td>\n<td>Labelled it as O.S.<\/p>\n<p>As the O.S. was prepared in dil. HCl<\/td>\n<\/tr>\n<tr>\n<td><strong>13. Through a part of O.S. passed H2S gas.<\/strong><\/td>\n<td>No ppt. formed.<\/td>\n<td>Group I absent. (Pb<sup>2+<\/sup> absent)<\/td>\n<\/tr>\n<tr>\n<td><strong>14. To the remaining solution, added a pinch of solid ammonium chloride. Boiled the solution, cooled it and added excess of ammonium hydroxide solution.<\/strong><\/td>\n<td>No ppt. formed.<\/td>\n<td>Group II absent (Pb<sup>2+<\/sup>, Cu<sup>2+<\/sup>, As<sup>3+<\/sup>, absent)<\/td>\n<\/tr>\n<tr>\n<td><strong>15. Through a part of the above solution, passed H<sub>2<\/sub>S gas.<\/strong><\/td>\n<td>Group III absent<\/p>\n<p>Fe<sup>3+<\/sup>, Al<sup>3+<\/sup> absent<\/td>\n<\/tr>\n<tr>\n<td><strong>16. Confirmatory tests for Zn<sup>2+<\/sup> ion<\/strong><\/p>\n<p>Dissolved the above dull white ppt. in dil HCl. Boiled off H<sub>2<\/sub>S.<\/p>\n<p>Divided the solution into two parts.<\/p>\n<p>(a) To one part added NaOH<\/p>\n<p>solution dropwise.<\/p>\n<p>(b) To another part, added potassium ferrocyanide solution.<\/td>\n<td>Dull White ppt. formed.<\/p>\n<p>White ppt. soluble in excess of NaOH solution.<\/p>\n<p>Bluish white ppt.<\/td>\n<td>Group IV absent.<\/p>\n<p>(Zn<sup>2+<\/sup> present)<\/p>\n<p>Zn<sup>2+<\/sup> confirmed.<\/p>\n<p>Zn<sup>2+<\/sup> confirmed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Result-2\"><\/span>Result<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Acid radical : CO<sub>3<\/sub><sup>2-<\/sup><br \/>\nBasic radical : Zn<sup>2+<\/sup><\/p>\n<h4><span class=\"ez-toc-section\" id=\"More_Resources_for_Class_12\"><\/span>More Resources for Class 12<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/maths\/\"><strong>NCERT Solutions for Class 12 Maths<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/physics\/\"><strong>NCERT Solutions for Class 12 Physics<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/chemistry\/\"><strong>NCERT Solutions for Class 12 Chemistry<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/\"><strong>NCERT Solutions for Class 12 Biology<\/strong><\/a><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-books\/\">NCERT Books<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-books\/class-12\">NCERT Books for Class 12<\/a><\/strong><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span>Frequently Asked Questions (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_do_you_identify_acids_and_basic_radicals_in_salt\"><\/span>How do you identify acids and basic radicals in salt?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tIn a neutralization reaction, acidic radicals carry a negative charge from the acid, while basic radicals carry a positive charge from the base. For instance, in NaCl, Na+ and Cl\u2013 ions are formed.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_is_the_original_solution_prepared_in_salt_analysis\"><\/span>How is the original solution prepared in salt analysis?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe original solution (OS) of the salt can be easily prepared by mixing a small amount of the inorganic salt with water and acid.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_the_acid_radical_of_the_salt_is_detected_to_be\"><\/span>What is the acid radical of the salt is detected to be?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe acidic radical of the salt (P) is Na\u207a.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How do you identify acids and basic radicals in salt?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"In a neutralization reaction, acidic radicals carry a negative charge from the acid, while basic radicals carry a positive charge from the base. For instance, in NaCl, Na+ and Cl\u2013 ions are formed.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How is the original solution prepared in salt analysis?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The original solution (OS) of the salt can be easily prepared by mixing a small amount of the inorganic salt with water and acid.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is the acid radical of the salt is detected to be?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The acidic radical of the salt (P) is Na\u207a.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>What is Salt Analysis? Salt analysis, also called qualitative inorganic analysis, identifies cations and anions in salts. It involves systematic [&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":"to analyse the given salt","_yoast_wpseo_title":"To Analyse the Given Salt for Acidic and Basic Radicals - CBSE 2023","_yoast_wpseo_metadesc":"Get To Analyse the Given Salt for Acidic and Basic Radicals. 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