The alpha-hydrogen atom attached to the carbonyl group is acidic in nature because the carbanion which is left gets resonance stabilished. As a result, these compounds take part in the aldol condensation reactions. The carbanion acts as a nucleophile in these reactions. The compounds in which alpha-hydrogen is not acidic take part in the Cannizzaro's reaction. In this reaction, one molecule of the carbonyl compound under consideration is reduced to primary alcohol while the other is oxidised simutaneously to the carboxylic acid. Compound A (molecular formula C_(3)H_(8)O) is treated with acidified dichromate to form a product B (molecular formula C_(3)H_(6)O). Bforms shining silver mirror on warning with ammoniacl silver nitrate. B when treated with an aqueous solution of H_(2)NCOHNH_(2)HCl and sodium acetate gives a product C. The structure of C is :

The alpha-hydrogen atom attached to the carbonyl group is acidic in na

1.	The alpha-hydrogen atom attached to the carbonyl group is acidic in nature because the carbanion which is left gets resonance stabilished. As a result, these compounds take part in the aldol condensation reactions. The carbanion acts as a nucleophile in these reactions. The compounds in which alpha-hydrogen is not acidic take part in the Cannizzaro's reaction. In this reaction, one molecule of the carbonyl compound under consideration is reduced to primary alcohol while the other is oxidised simutaneously to the carboxylic acid. Compound A (molecular formula C_(3)H_(8)O) is treated with acidified dichromate to form a product B (molecular formula C_(3)H_(6)O). Bforms shining silver mirror on warning with ammoniacl silver nitrate. B when treated with an aqueous solution of H_(2)NCOHNH_(2)HCl and sodium acetate gives a product C. The structure of C is :
Answer» `CH_(3)CH_(2)CH = N NHCONH_(2)` `(CH_(3))_(2)C=N NHCONH_(2)` `(CH_(3))_(2)C = NCONHNH_(2)` `CH_(3)CH_(2)CH = NCONHNH_(2)`. SOLUTION :The data suggests that the COMPOUND [A] is an ALIPHATIC ketone butanone `(CH_(3)CH_(2)COCH_(3))`.