Question

Among the following reactions of hydrogen with halogens, the one that requires a catalyst is :
(A) H₂ + I₂ → 2HI (B) H₂ + Cl₂ → 2HCl
(C) H₂ + Br₂ → 2HBr (D) H₂ + F₂ → 2HF

Answer 1

Option (a) is the right answer.

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