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Question

Williamson's reaction is an example of :

A
Electrophilic substitution reaction
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B
Electrophilic addition reaction
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C
Nucleophilic substitution reaction
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D
Nucleophilic addition reaction
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Solution

The correct option is C Nucleophilic substitution reaction
The Williamson's ether synthesis is an organic raction used to convert an alcohol and alkyl halide to an ether using a base such as NaOH. This reaction occurs in a single step.​
The mechanism begins with the base abstracting the proton from the alcohol to form an alkoxide intermediate. The alkoxide then attacks the alkyl halide in a nucleophilic substitution reaction (SN2) which result in the formation of the final ether product and a metal halide by-product as shown below.

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