Question

Give one chemical test each to distinguish between the following pairs of compounds:
(1) Acetone and benzaldehyde.
(2) Phenol and benzoic acid.

Answer 1

(1)

Benzaldehyde gives Tollen's reagent test. i.e., a silver mirror with Tollen's reagent but acetone does not.

(2)

Phenol gives a white precipitate with bromine water but benzoic acid does not.