Questions
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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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.Similar Questions
Statement 1: 2-Butenal lacks enolisable H-atom, - 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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