Question

Distinguish test between benzaldehyde and propanal

Answer 1

Propanal being an aldehyde reduces Fehling's solution to a red-brown precipitate of Cu2O, but propanone being a ketone does not. (c) Iodoform test: ... Propanone being a methyl ketone responds to this test, but propanal does not. (ii) Acetophenone and Benzophenone can be distinguished using the iodoform test.

Answer 2

Answer:

Propanal being an aldehyde reduces Fehling's solution to a red-brown precipitate of Cu2O, but propanone being a ketone does not. (c) Iodoform test: ... Propanone being a methyl ketone responds to this test, but propanal does not. (ii) Acetophenone and Benzophenone can be distinguished using the iodoform test.