Question Detail

CHM 102 Practice Questions Objective Question
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Question

1,2-Ethanediol reacts with anhydrous zinc chloride to form
Options
A Ethylene
B Acetaldehyde
Correct Answer
C Acetylene
D Ethyl chloride
Correct Answer

Option B is the correct answer.

Detailed Explanation

1,2-Ethanediol (ethylene glycol) when heated with anhydrous ZnCl2 undergoes dehydration to form acetaldehyde (CH3CHO). This is a pinacol-pinacolone type rearrangement.

Hint

What aldehyde is formed from ethylene glycol with ZnCl2?

Question Info

Course: CHM 102
Topic: Practice Questions
Type: Objective
Difficulty: Not specified
Question 1307 of 1999
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