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Statement 1: Lower aldehydes and ketones are soluble in water but the solubility decreases as the molecular mass increases.

Statement 2: Reaction with HCN is used to distinguish  between aldehydes and ketones

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a
Both statements 1 and 2 are correct
b
Statement 1 is correct and statement 2 is incorrect
c
Statement 1 is incorrect and statement 2 is correct
d
Both statements 1 and 2 are incorrect

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detailed solution

Correct option is B

Lower aldehydes and ketones are soluble in water due to polar effect of >C = O which makes hydrogen bonds with water molecules. As the size of the aldehydes and ketones increases the hydrophobic part, i.e., alkyl chain increases which weakens the H-bond formations with H2O molecules and decreases the solubility.

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Similar Questions

Statement 1: 2-Butenal lacks enolisable H-atom, α- to carbonyl group, still it has sufficient acidic character.

Statement 2: The conjugate base of 2-butenal is stabilized by resonance.

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