Question

What is the functional group of HCHO?​

Answer 1

$\huge\tt\blue{Answer:}$

Methanal (HCHO) is from the aldehyde group.

Answer 2

Answer:

$\large \bf \underline \color{red}aldehyde \: group$

write the name of functional groups in HCHO, HCOOH and CH3COCH3. Methanal (HCHO) is from the aldehyde group. Methanol (HCOOH) is from the alcohol group.