O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2013 · Q351 Mark

The solubility of the carboxylic acids in water decreases as the size of the carboxylic acid molecules increases. Which carboxylic acid is the least soluble in water?

Abutanoic acid

Bethanoic acid

Cmethanoic acid

Dpropanoic acid

✓ Correct answer

A: butanoic acid

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 35.

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