Question

Question 13
Chlorine reacts with saturated hydrocarbons at room temperature in the
(a) absence of sunlight
(b) presence of sunlight
(c) presence of water
(d) presence of hydrochloric acid

Answer 1

The correct answer is (b).

Saturated hydrocarbon reacts with halogen in presence of light and this is also known as the substitution reaction.

${\text{CH}}_4+{\text{Cl}}_2\to {\text{CH}}_3\text{Cl}+\text{HCl}$