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JEE Main Chemistry Class 11 Chemical Kinetics Part 2 Questions
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© examsnet.com
Question : 5
Total: 79
Time required for
99.9
%
completion of a first order reaction is ______ time the time required for completion of
90
%
reaction.(nearest integer).
[6 Apr 2024 Shift 1]
Your Answer:
Validate
Solution:
K
=
1
t
99.9
%
ln
(
100
0.1
)
=
1
t
90
%
ln
(
100
10
)
t
99.9
%
=
t
90
%
ln
(
10
3
)
ln
10
t
99.9
%
=
t
90
%
×
3
© examsnet.com
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