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Karnataka Board PUCPUC Science 2nd PUC Class 12

A first order reaction is 50% completed in 1.26 × 1014 s. How much time would it take for 100% completion?

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Question

A first order reaction is 50% completed in 1.26 × 1014 s. How much time would it take for 100% completion?

Options

  • 1.26 × 1015 s

  • 2.52 × 1014 s

  • 2.52 × 1028 s

  • infinite

MCQ
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Solution

infinite

Explanation:

Reaction would be 100% complete only after infinite time which cannot be calculated.

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Chapter 4: Chemical Kinetics - Exercises [Page 51]

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NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 4 Chemical Kinetics
Exercises | Q I. 16. | Page 51

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