Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If a first order reaction takes 32 minutes for 75% completion, then time required for 50% completion is :
Text Solution
Verified by ExpertsThe correct answer is:
B
k = 
log 
When, a = 100, x = 75, t = 32
k = 
log 10 
= 0.0433 min –1
Time for 50% completion (t 1/2 ) = 
= 
≈ 16 min
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