Give the common name and IUPAC name of the simplest aldehyde.

2 What is the next higher homologue of methanol (CH₃OH)? 3 Identify the functional group present in the following compound and name it according to IUPAC system: CH₃OH 5 What is the common name of methanol? 6 Write the names of the following functional group:

(a)

(b)