Question Detail

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

What is a crown ether?
Options
A A cyclic ether with a three-membered ring
B A large cyclic ether that can complex metal ions
Correct Answer
C An aromatic ether
D A polymer of ethylene oxide
Correct Answer

Option B is the correct answer.

Detailed Explanation

Crown ethers are large cyclic polyethers that can selectively complex metal ions (e.g., 18-crown-6 complexes K+), making them useful as phase-transfer catalysts.

Hint

Named for crown-like shape.

Question Info

Course: CHM 102
Topic: General Chemistry II: Properties and Reactions of Ethers
Type: Objective
Difficulty: Not specified
Question 417 of 1999
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