MHT CET 2026 Chemistry question

Which of the following is an example of second order reaction?

(A)
(B)\mathrm{CH_3CHO_{(g)}} \longrightarrow \mathrm{CH_{4(g)}} + \mathrm{CH_{(g)}}
(C)Correct
(D)

Answer: (C)

Solution

Order is fixed by the experimentally determined rate law. (C) has rate , i.e. , a second order reaction, so (C). (A) decomposition of is first order, rate . (B) Thermal

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Question ID VK-099960