Write the common

i) CH₃CH₂CHO

Common name: Propionaldehyde

IUPAC name: Propanal

ii) CH₃COCH₃

Common name: Dimethyl ketone (acetone)

IUPAC name: Propanone

iii)

Common name: Isopropyl alcohol(or) secondary propyl alcohol

IUPAC name: 2-propanol

iv) HCHO

Common name: Formaldehyde

IUPAC name: Methanal