Practice free →
Home › CBSE Class 12 (Science) › Chemistry › Chemical Kinetics › A first order reaction has t1/2 of 6 min. Time f…

A first order reaction has t1/2 of 6 min. Time for 99.9 percent completion is nearly

A12 min
B30 min
C60 min
D600 min
Answer & Solution
Correct answer: C. 60 min
99.9 percent completion takes about 10 half-lives, so 10 x 6 = 60 minutes.
Solve this in the app — CBSE Class 12 (Science) practice & 24k+ MCQs →
Related questions