Carboxylic Acids Question 94

Question: Lactic acid on oxidation by alkaline potassium permanganate gives

[Tamil Nadu CET 2002]

Options:

A) Tartaric acid

B) Pyruvic acid

C) Cinnamic acid

D) Propionic acid

Show Answer

Answer:

Correct Answer: B

Solution:

$ CH_3-\underset{Lacticacid}{\mathop{CHOH-}}COOH+[O]\xrightarrow{KMnO_4} $

$ CH_3\underset{Pyruvicacid}{\mathop{-CO-COOH}}+H_2O $