MHT CET Chemistry question

Chemistry Chemical Kinetics MHT CET

of first-order reaction is 10 min. Starting with , rate after 20 min is [AIIMS 2008]

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

; after 20 min (two half-lives) , so rate

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Question ID VK-069099