Question

Which of the following alkanes can form only one monosubstituted derivative:
(A) 2,3- Dimethyl butane
(B) 2,2- Dimethyl butane
(C) 2,2,3,3 -Tetramethlybutane
(D) 3,4- Dimethyl hexane
Please explain the answer also.

Answer 1

Dimethyl butane..........