The molecular formula of second homologue in the homologous series of mono carboxylic acids is ______.
- (A)C₃H₆O₂
- (B)C₂H₄O₂✓ Correct
- (C)CH₂O
- (D)C₂H₂O₂
Answer: (B)
Solution
Monocarboxylic acids, , form a homologous series with the general formula , each successive member differing from the last by a unit. The first member is formic acid, (); the second member, adding one , is acetic acid, , with molecular formula .
JEE Main · 2024 · 27 Jan 2024 · Shift 2 · Single correct option