MHT CET 2025 Chemistry question

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

(A)CH_3CHO_{(g)} \rightarrow CH_{4(g)} + CO_{(g)}
(B)
(C)
(D)Correct

Answer: (D)

Solution

The decomposition of hydrogen peroxide, , is a first order reaction: experimentally rate (the slow step involves one molecule of ). Wrong options: (A) acetaldehyde decomposition has rate (order

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Question ID VK-102519