Question:

Which of the following reacts fastest with conc. $HCl$ ?

Updated On: Jun 20, 2022
  • $(CH_3)_3COH$
  • $CH_2 = CH-CH_2OH$
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The Correct Option is B

Solution and Explanation




As benzene ring increases electron density to carbon of C - 0 bond.

Hence, benzylic alcohol is more reactive towards reaction with conc. HCl.
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Concepts Used:

Alcohols, Phenols, and Ethers

Alcohol is formed when a saturated carbon atom bonds to a hydroxyl (-OH) group. It is an organic compound that contains a hydroxyl functional group attached to a carbon atom.

Phenol is formed when the -OH group replaces the hydrogen atom in benzene. It is an organic compound in which a hydroxyl group directly attaches to an aromatic hydrocarbon.

Ether is formed when oxygen atom bonds to two alkyl or aryl groups. It is an organic compound that has an oxygen atom that is connected to two aryl and alkyl groups.

Read More: Alcohol, Phenol, and Ethers