Aldehydes Ketones Question 135

Question: Which gives lactic acid on hydrolysis after reacting with HCN

[UPSEAT 2003; MP PMT 2003]

Options:

A) $ HCHO $

B) $ CH_3CHO $

C) $ C_6H_5CHO $

D) $ CH_3COCH_3 $

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Answer:

Correct Answer: B

Solution:

$ CH_3CHO\xrightarrow{HCN}CH_3CH(OH)CN\xrightarrow{2H_2O/{H^{+}}} $

$ CH_3CH(OH)COOH $