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Base Catalysed Hydrolysis of Esters

Compound A ...

Question

Compound $A$ undergoes formation of cyanohydrins which on hydrolysis gives lactic acid $(C H_{3} C H O H C O O H)$ . Therefore, compound $A$ is:

A

formaldehyde

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B

acetaldehyde

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C

acetone

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D

benzaldehyde

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Solution

The correct option is D acetaldehyde
(Acetaldehyde on reaction with hydrogen cyanide gives cyanohydrin which on hydrolysis gives lactic acid.
$- C N H_{2} O - -- \to - C O O H$ , every time.

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Base Catalysed Hydrolysis of Esters

Standard XII Chemistry

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