Aldehydes Ketones Question 101

Question: Acetaldehyde and acetone can be distinguished by

[AIIMS 1996; DCE 1999; Pb. CET 2000]

Options:

A) Molisch test

B) Bromoform test

C) Solubility in water

D) Tollen’s test

Show Answer

Answer:

Correct Answer: D

Solution:

$ CH_3CHO\xrightarrow{[Ag{{(NH_3)}_2}]}CH_3COOH $

$ \underset{Silver\text{mirror test}}{\mathop{+A{g _{\downarrow }}+NH_3}} $ While acetone do not react.