10 Halogen Derivaties

1. Choose the most correct option.

viii. Choose the compound from the following that will react fastest by SN1 mechanism.
a. 1-iodobutane
b. 1-iodopropane
c. 2-iodo-2 methylbutane
d. 2-iodo-3-methylbutane

Answer:- 

2-iodo-2 methylbutane  will react fastest by SN1 mechanism.

10 Halogen Derivative Page 231