{"id":89871,"date":"2022-02-14T00:39:00","date_gmt":"2022-02-13T19:09:00","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=89871"},"modified":"2024-01-04T16:50:58","modified_gmt":"2024-01-04T11:20:58","slug":"prepare-n-20-solution-of-oxalic-acid-using-this-solution-find-out-strength-and-normality-of-the-given-potassium-permanganate-solution","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-material\/chemistry\/prepare-n-20-solution-of-oxalic-acid-using-this-solution-find-out-strength-and-normality-of-the-given-potassium-permanganate-solution\/","title":{"rendered":"Prepare N\/20 solution of oxalic acid. Using this solution, find out strength and normality of the given potassium permanganate solution"},"content":{"rendered":"

Prepare N\/20 solution of oxalic acid. Using this solution, find out strength and normality of the given potassium permanganate solution <\/span><\/strong><\/h2>\n

Prepare N\/20 solution of oxalic acid. Using this solution, find out strength and normality of the given potassium permanganate solution.<\/strong><\/p>\n

Chemical equations<\/strong><\/span>
\n\"prepare-n20-solution-of-oxalic-acid-using-this-solution-find-out-strength-and-normality-of-the-given-potassium-permanganate-solution-1\"<\/p>\n

Indicator<\/strong><\/span>
\nKMnO4<\/sub> is a self-indicator.<\/p>\n

Endpoint<\/strong><\/span>
\nColourless to permanent pink colour (KMnO4 <\/sub>in burette).<\/p>\n

Procedure<\/strong><\/span><\/p>\n

    \n
  1. Rinse and fill the burette with the given KMnO4<\/sub> solution.<\/li>\n
  2. Weigh exactly 1.58 g of oxalic acid crystals and dissolve in water to prepare 500 ml of
    \nits solution using a 500 ml measuring flask. Rinse the pipette with the N\/20 oxalic acid
    \nsolution and pipette out 20 ml of it in a washed titration flask.<\/li>\n
  3. Add one test tube (~ 20 ml) full of dilute sulphuric acid (~ 4 N) to the solution in , titration flask.<\/li>\n
  4. Note the initial reading of the burette.<\/li>\n
  5. Heat the flask to 60-70\u00b0C and add KMnO4<\/sub> solution from the burette till a permanent light pink colour is just imparted to the solution in the titration flask.<\/li>\n
  6. Note the final reading of the burette.<\/li>\n
  7. Repeat the above steps 4-5 times to get three cdncordant readings.<\/li>\n<\/ol>\n

    Observations <\/strong><\/span>
    \n\"prepare-n20-solution-of-oxalic-acid-using-this-solution-find-out-strength-and-normality-of-the-given-potassium-permanganate-solution-2\"<\/p>\n

    CALCULATIONS<\/strong><\/span>
    \n\"prepare-n20-solution-of-oxalic-acid-using-this-solution-find-out-strength-and-normality-of-the-given-potassium-permanganate-solution-3\"<\/p>\n

     <\/p>\n","protected":false},"excerpt":{"rendered":"

    Prepare N\/20 solution of oxalic acid. Using this solution, find out strength and normality of the given potassium permanganate solution […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"normality of oxalic acid","_yoast_wpseo_title":"Prepare N\/20 Solution of Oxalic Acid","_yoast_wpseo_metadesc":"\"Get Prepare N\/20 solution of oxalic acid. 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