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Tamil Nadu Board of Secondary EducationHSC Science Class 12

The rate constant for a first order reaction is 1.54 × 10−3 s−1. Calculate its half life time. - Chemistry

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Question

The rate constant for a first order reaction is 1.54 × 10−3 s−1. Calculate its half life time.

Numerical
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Solution

We know that `"t"_(1/2) = 0.693/"k"`

`"t"_(1/2) = 0.693/(1.54 xx 10^-3 "s"^-1)` = 450 s

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Chapter 7: Chemical Kinetics - Evaluation [Page 231]

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Samacheer Kalvi Chemistry - Volume 1 and 2 [English] Class 12 TN Board
Chapter 7 Chemical Kinetics
Evaluation | Q 23. | Page 231

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