Question

How many isomers are there of butanal?

Answer 1

There are only two isomers, and they are 1-butanal and 2-methylpropanal. "2-butanone" is not an aldehyde anymore, but a ketone.

Answer 2

Hello/-

There are only two isomers, and they are 1-butanal and 2-methylpropanal.