Question Detail

CHM 102 Practice Questions Objective Question

Question

Which is the best reagent to accomplish the following conversion? CH3CH2OCH2CH3 → CH3CH2Br
Options
A Br2 in CCl4
B NaBr
C Br2 in H2O
D Conc HBr
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Concentrated HBr cleaves diethyl ether to give ethyl bromide (CH3CH2Br). The reaction is: CH3CH2OCH2CH3 + 2HBr → 2CH3CH2Br + H2O.

Hint

Which hydrohalic acid cleaves ethers to alkyl bromides?

Question Info