Question

Discuss the mechanism of halogenation of methane

Answer 1



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.

Answer 2

hello friend here your answer
The halogenation of methane is a gas-phase reaction with a homolytic bond breakage. Therefore, the activation energy of the halogenation is equivalent to the association energy of the respective halogen. The kinetics of methane halogenation can easily be described, as the association energies of all halogens are known.
The reaction entropy of methane halogenation is approximately zero, because in the reaction two molecules of gaseous starting products are converted into two molecules of gaseous products.
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