Name the functional groups present in the following compounds

(a) CH₃COCH₂ CH₂ CH₂ CH₃

(b) CH₃CH₂CH₂COOH

(c) CH₃CH₂ CH₂ CH₂ CHO

(d) CH₃CH₂OH

Identification:

1. Ketone

2. Carboxylic acid

3. Aldehyde

4. Alcohol