What is the catalyst used in the following reaction?(a) Anhydrous AlCl3(b) Anhydrous FeCl3(c) Anhydrous ZnCl2(d) No catalyst requiredThe 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

What is the catalyst used in the following reaction?(a) Anhydrous AlCl

1.	What is the catalyst used in the following reaction?(a) Anhydrous AlCl3(b) Anhydrous FeCl3(c) Anhydrous ZnCl2(d) No catalyst requiredThe 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
Answer» 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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