Question

define substitution reaction.Explain chlorination of methan.



please help (no spam please)​

Answer 1

$\huge\colorbox{pink}{αηѕωєя}$

• A substitution reaction is a chemical reaction during which one functional group in a chemical compound is replaced by another functional group. Substitution reactions are of prime importance in organic chemistry.

• The chain mechanism is as follows, using the chlorination of methane as a typical example: 1. Initiation: Splitting or homolysis of a chlorine molecule to form two chlorine atoms, initiated by ultraviolet radiation or sunlight. A chlorine atom has an unpaired electron and acts as a free radical.

(refer to the attachment)