JEE Main 2026 Jan 21 Shift 1, Chemistry Q12: Resonance & Mesomeric Effect
JEE Main2026Jan 21, Shift 1Chemistry
Q.
From the following, the least stable structure (resonance form of a nitro-conjugated cation/allyl system) is:
- A
1
- B
2
- C
3
- D
4
Solution
The resonance structure with positive charges on adjacent atoms is least stable due to electrostatic repulsion.
Concept behind this question
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