Question Detail

CHM 102 General Chemistry II: Properties and Reactions of Ethers Objective Question

Question

What is the product of acid-catalyzed ring-opening of an epoxide with water?
Options
A Ether
B 1,2-diol (vicinal diol)
Correct Answer
C Aldehyde
D Ketone
Correct Answer

Option B is the correct answer.

Detailed Explanation

Acid-catalyzed addition of water to an epoxide opens the ring to give a 1,2-diol (vicinal diol). The addition is trans.

Hint

Two OH groups on adjacent carbons.

Question Info