MCQ
Lactic acid on oxidation by alkaline potassium permanganate gives
- ATartaric acid
- ✓Pyruvic acid
- CCinnamic acid
- DPropionic acid
✓
Answer
Correct option: B.
Pyruvic acid
b
(b)$C{H_3} - \mathop {CHOH - }\limits_{{\text{Lactic}}\,{\text{acid}}} COOH + [O]\xrightarrow{{KMn{O_4}}}$ $C{H_3}\mathop { - CO - COOH}\limits_{{\text{Pyruvic}}\,{\text{acid}}} + {H_2}O$
(b)$C{H_3} - \mathop {CHOH - }\limits_{{\text{Lactic}}\,{\text{acid}}} COOH + [O]\xrightarrow{{KMn{O_4}}}$ $C{H_3}\mathop { - CO - COOH}\limits_{{\text{Pyruvic}}\,{\text{acid}}} + {H_2}O$
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