Question Detail

CHM 102 Carbonyl Compounds Objective Question
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Question

What is the industrial preparation of ethanal (acetaldehyde) from ethyne?
Options
A Hydrogenation
B Hydration of ethyne with HgSO₄/H₂SO₄
Correct Answer
C Oxidation of ethane
D Fermentation
Correct Answer

Option B is the correct answer.

Detailed Explanation

Ethyne (HC≡CH) undergoes hydration with HgSO₄/H₂SO₄ to give ethanal (vinyl alcohol tautomerizes to acetaldehyde).

Hint

Alkyne hydration to aldehyde.

Question Info

Course: CHM 102
Topic: Carbonyl Compounds
Type: Objective
Difficulty: Not specified
Question 649 of 1999
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