MHT CET 2026 Chemistry question

What is order of radioactive decay of a substance ?

(A)0
(B)1Correct
(C)1.5
(D)2

Answer: (B)

Solution

The rate of radioactive decay is directly proportional to the number of radioactive nuclei present: . The rate depends on the first power of the amount of substance, so

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Question ID VK-099380