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Assertion (A) : The molecularity of the reaction `H_(2) + Br_(2) rarr 2HBr` is `2`. Reason (R ): The order of the reaction is `3//2`.A. If both `(A)` and `(R )` are correct, and `(R )` is the correct explnation of `(A)`.B. If both `(A)` and `(R )` are correct, but `(R )` is noth the correct explanation of `(A)`.C. If `(A)` is correct, but `(R )` is incorrect.D. If `(A)` is incorrect, but `(R )` is correct.

Answer» Correct Answer - B
Molecularity is `2` because two molecules of the reactants are involved in the given elementary reactions.Correct Answer - B
Molecularity is `2` because two molecules of the reactants are involved in the given elementary reactions.


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