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Chemistry Question on Aldehydes, Ketones and Carboxylic Acids

In a set of reactions, acetic acid yielded a product D.
CH3COOH →SOCl2\xrightarrow[]{SOCl_2} A →Anhyd.AlCl3Benzene\xrightarrow[Anhyd.AlCl_3]{Benzene} B →HCN\xrightarrow[]{HCN} C →HOH\xrightarrow[]{HOH} D
The structure of D would be:

A

OH-C-COOH-CH3

B

Benzene-CH2-COOH-C-CH3-OH

C

Benzene-Ch2-C-OH-CN_CH3

D

Benzene-C_CN_OH_CH3

Answer

OH-C-COOH-CH3

Explanation

Solution

CH3​COOH→\rightarrow [SOCl2​]′A′CH3​COCl​→\rightarrow[ Benzene ][ anhy. AlCl3​]

Therefore, the correct option is (A):
OH-C-COOH-CH3