1)

 With which halogen the reactions of alkanes are explosive?


A) Fluorine

B) Chlorine

C) Bromine

D) Iodine

Answer:

Option A

Explanation:

The reaction of alkanes with fluorine are explosive. This is an explosive process that is difficult to control, so carried out in dark. In this process, the replacement of one or more hydrogen of alkane by halogen takes place. For this reaction the order of reactivity of halogen is 

I2 < Br2 < Cl2 < F2