JEE Main 2026 Chemistry question
Consider the three aromatic molecules (P, Q and R) whose structures have been given below: P is N,N-dimethylaniline, Q is 2-methyl-N,N-dimethylaniline (one ortho-methyl group) and R is 2,6-dimethyl-N,N-dimethylaniline (two ortho-methyl groups). The correct order regarding the reactivity of these compounds with under optimum but slightly acidic medium is:
Answer: (A)
Solution
The ortho-methyl groups increasingly twist the −N(CH₃)₂ group out of the plane of the ring, reducing its resonance donation
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