Methane reacts with chlorine in the presence of sunlight. What is the name of this reaction?

substitution reaction

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acid base reaction

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addition reaction

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double displacement reaction

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Solution

The correct option is A substitution reaction
Methane reacts with chlorine in the presence of sunlight, it is an example of a substitution reaction is also called halogenation. When chlorine gas $(C l - C l)$ is irradiated, some of the molecules are split into two chlorine radicals $(C l)$ whose free electrons are strongly nucleophilic. One of them breaks a weak $C - H$ covalent bond and grabs the liberated proton to form the electrically neutral $H C l$ . The other radical reforms a covalent bond with the $C H_{3}$ to form $C H_{3} C l .$
$C H_{4} + C l_{2} S u n l i g h t \to C H_{3} C l + H C l$
$C H_{3} C l + C l_{2} S u n l i g h t \to C H_{2} C l_{2} + H C l$
$C H_{2} C l_{2} + C l_{2} S u n l i g h t \to C H C l_{3} + H C l$
$C H C l_{3} + C l_{2} S u n l i g h t \to C C l_{4} + H C l$
Option A is correct.

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Methane reacts with chlorine In the presence of sunlight is $C H_{4} + C l_{2} s u n l i g h t - ---- \to C H_{3} C l + H C l$ ,

The name of this reaction is:

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