ALDEHYDES, KETONES AND CARBOXYLIC ACID
28150
Pyruvic acid is obtained by
1 Oxidation of acetaldehyde cyanohydrin
2 Oxidation of acetone cyanohydrin
3 Oxidation of formaldehyde cyanohydrin
4 None of these
Explanation:
(a) \(C{H_3} - \mathop {\mathop C\limits_{||} }\limits_O - H + HCN \to C{H_3} - \mathop {\mathop C\limits_|^| \,\,\,\,}\limits_{OH}^{CN} - H\xrightarrow{{{H_2}O}}\)\(C{H_3} - \mathop {\mathop {CH}\limits_{|\,\,\,\,\,\,} }\limits_{OH} - COOH\xrightarrow{{[O]}}\)\(\mathop {C{H_3} - \mathop {\mathop C\limits_{||} }\limits_O - COOH}\limits_{{\text{Pyruvic}}\,\,\,{\text{acid}}} \)