Question

write the common name and the IUPAC name of a simpest aldehyde

Answer 1

${\huge{\mathfrak{\red{Hii\:Mate}}}}$

Structure of aldehydes. In formaldehyde, the simplest aldehyde, the carbonyl group is bonded to two hydrogen atoms. 

Common name:

formaldehyde

IUPAC name: methanal

Answer 2

IUPAC name is methanal