MCQ
Pyruvic acid is obtained by
- ✓Oxidation of acetaldehyde cyanohydrin
- BOxidation of acetone cyanohydrin
- COxidation of formaldehyde cyanohydrin
- DNone of these
✓
Answer
Correct option: A.
Oxidation of acetaldehyde cyanohydrin
a
(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}}} $
(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}}} $
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