12th Class Chemistry Aldehydes, Ketones and Carboxylic Acids / ऐल्डिहाइड, कीटोन तथा कर्बोक्सिलिक अम्ल

  • question_answer 56)
      Compound 'A' was prepared by oxidation of compound 'B' with alkaline KMn04. Compound 'A' on reduction with lithium aluminium hydride gets converted back to compound 'B'. When compound 'A' is heated with .compound B in the presence of , it produces fruity smell of compound C. To which family the compounds 'A', 'B' and 'C' belong to ?            

    Answer:

                      (i) Since compound 'A* is obtained by oxidation of compound 'B' and reduction of compound 'B' with  gives back compound 'A', therefore, both compounds 'A' and 'B' have the same number of carbon atoms. (ii) Since compound 'A' when heated with compound 'B' in presence of  produces fruity smell of compound ?C', therefore, 'C' must be an ester, 'A' must be a carboxylic acid and 'B' must be an alcohol.        Thus, 'A' is a carboxylic acid, 'B' is an alcohol and 'C' is an ester.


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