Question

what is the common name of ethanal?​

Answer 1

♥$\huge\underline\mathfrak\red{Answer}$♥

Acetaldehyde is the common name of Ethanal.

Answer 2

Ello user

Acetaldehyde is the common name for ethanal.

It consists of two carbon atoms and there is a CHO group in addition to it.

HOPE this helps.