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Karnataka Board PUCPUC Science 2nd PUC Class 12

Time required to decompose SO2Cl2 to half of its initial amount is 60 minutes. If the decomposition is a first order reaction, calculate the rate constant of the reaction.

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Question

Time required to decompose SO2Cl2 to half of its initial amount is 60 minutes. If the decomposition is a first order reaction, calculate the rate constant of the reaction.

Numerical
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Solution

Given: Time (t) = 60 minutes

We know that for a first-order reaction,

k = `0.693/(t_(1//2))`

= `0.693/(60 min)`

= 1.155 × 10−2 min−1

or,

k = `0.693/(60 xx 60 s)`

= 1.925 × 10−4 s−1

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Chapter 3: Chemical Kinetics - Intext Questions [Page 78]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 3 Chemical Kinetics
Intext Questions | Q 3.6 | Page 78
Nootan Chemistry [English] Class 12 ISC
Chapter 3 Chemical Kinetics
REVIEW EXERCISES | Q 4.44 | Page 237

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