JEE Main · 2024 · 04 Apr 2024 · Shift 2 · Haloalkanes and Haloarenes

Product P is

(A)(see structure)
(B)(see structure)
✓ Correct
(C)(see structure)
(D)(see structure)

Answer: (B)

Solution

Treatment of the substrate with alcoholic KOH is a base-promoted E2 elimination of HBr. Following Zaitsev's rule, the major product is the more substituted (more stable) alkene, corresponding to option (2).

JEE Main · 2024 · 04 Apr 2024 · Shift 2 · Single correct option

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