alleryAldehydes boil lower than alcohols of like mass because they lack:
ADipole attraction
BCovalent bonding
CIonic attraction
DHydrogen bonding
Answer & Solution
Correct answer: D. Hydrogen bonding
1. Alcohols carry an OH group that bonds to a neighbour.
2. Aldehydes and ketones have no such hydrogen to offer.
3. Without intermolecular hydrogen bonding they boil lower.
_Source: syllabus Chemistry Part II, Chapter 12, Aldehydes, Ketones and Carboxylic Acids._
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