Choose the most correct option. What is the half-life of a first-order reaction if the time required to decrease the concentration of reactant from 0.8 M to 0.2 M is 12 h? - Chemistry

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MCQ

Choose the most correct option.

What is the half-life of a first-order reaction if the time required to decrease the concentration of reactant from 0.8 M to 0.2 M is 12 h?

Options

  • 12 h

  • 3 h

  • 1.5 h

  • 6 h

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Solution

6 h

Concept: Rate of Reaction and Reactant Concentration
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Chapter 6: Chemical Kinetics - Exercises [Page 135]

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Balbharati Chemistry 12th Standard HSC for Maharashtra State Board
Chapter 6 Chemical Kinetics
Exercises | Q 1.06 | Page 135

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