MHT CET 2026 Chemistry question

What is the order and molecularity of the following elementary reaction ? , rate = k x

(A)The reaction is second order and biomolecular.Correct
(B)The reaction is first order and bimolecular.
(C)The reaction is second order and unimolecular.
(D)The reaction is zero order and unimolecular.

Answer: (A)

Solution

For an elementary reaction the rate law follows the stoichiometry. Order = sum of the powers of concentration terms in the rate law (second order). Molecularity = number of reacting species colliding in the elementary step molecules of

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Question ID VK-101480