Aldehydes Ketones Question 145

Question: Which of the following reagents is used to distinguish acetone and acetophenone

[RPMT 2002; KCET 1998]

Options:

A) $ NaHSO_3 $

B) Grignard reagent

C) $ Na_2SO_4 $

D) $ NH_4Cl $

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Answer:

Correct Answer: A

Solution:

Acetone forms sodium bisulphate adduct but acetophenone does not. Aromatic ketones do not gives addition product with $ NaHSO_3 $ .