Question

The compound which has one isopropyl group is 

(a) 2, 2, 3, 3-Tetramethyl pentane 

(b) 2, 2-Dimethyl pentane 

(c) 2, 2, 3-Trimethyl pentane 

(d) 2-Methyl pentane

Answer 1

Correct option is (d) 2-Methyl pentane

2, 2, 3, 3 - tetramethyl pentane, 2, 2 - dimethyl pentane and 2, 2, 3 - trimethyl pentane do not contain an isopropyl group.

2 - Methyl pentane contains one isopropyl group.