MHT CET 2026 Chemistry question

What type of mechanism is followed by dehydration of alcohol to form ether

(A)Nucleophilic substitution unimolecular reaction
(B)Nucleophilic substitution bimolecular reactionCorrect
(C)Electrophilic substitution reaction
(D)Electrophilic addition reaction

Answer: (B)

Solution

Dehydration of primary alcohols at 413 K with conc. gives ethers. Step 1: the alcohol is protonated to give an alkyloxonium ion, . Step 2: a second alcohol molecule, acting as a nucleophile, attacks the carbon bearing the leaving group ()

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Question ID VK-096093