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What is the catalyst used in the following reaction?

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in Chemistry – Class 12 by (188k points)
What is the catalyst used in the following reaction?

(a) Anhydrous AlCl3

(b) Anhydrous FeCl3

(c) Anhydrous ZnCl2

(d) No catalyst required

The question was asked during an online exam.

This is a very interesting question from Alcohols and Phenols in section Alcohols, Phenols and Ethers of Chemistry – Class 12

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Right answer is (d) No catalyst required

The explanation: The given alcohol is a tertiary alcohol and can easily form alkyl halides with HCl and does not require any catalyst. However, primary and secondary alcohols require ZnCl2 as catalyst in the same reaction for it to proceed.

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