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Karnataka Board PUCPUC Science 2nd PUC Class 12

Calculate the half-life of a first order reaction from the rate constant given below: 4 year−1

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Question

Calculate the half-life of a first order reaction from the rate constant given below:

4 year−1

Numerical
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Solution

For a first order reaction,

Half-life (t1/2) = `0.693/k`

= `0.693/4`

= 0.173 years.

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Chapter 3: Chemical Kinetics - Exercises [Page 86]

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NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 3 Chemical Kinetics
Exercises | Q 3.13 (iii) | Page 86

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