Question 12.8:
Identify the functional groups in the following compounds

 

(a) 

(b) 

 

(c) 

 

The functional groups present in the given compounds are:

(a) Aldehyde (–CHO), Hydroxyl (–OH),

Methoxy (–OMe),

C=C double bond       
-C1=C1-

(b) Amino (–NH2),
Ketone (C = O),
Diethylamine (N(C2H5)2)

(c) Nitro (–NO2),

C=C double bond -C=C-