Question Detail

CHM 102 Carbonyl Compounds Objective Question
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Question

Why do lower molecular weight aldehydes and ketones dissolve in water?
Options
A They form covalent bonds with water
B The carbonyl oxygen can form hydrogen bonds with water
Correct Answer
C They are ionic
D They react with water
Correct Answer

Option B is the correct answer.

Detailed Explanation

The lone pairs on the carbonyl oxygen can form hydrogen bonds with water molecules, making low molecular weight aldehydes and ketones water-soluble.

Hint

Oxygen lone pairs H-bond with H₂O.

Question Info

Course: CHM 102
Topic: Carbonyl Compounds
Type: Objective
Difficulty: Not specified
Question 662 of 1999
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