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Question Practice

In a first-order reaction, which statement is true regarding time for 99.9% completion?

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MCQ_SA
CBSE
Class 12
Chemistry
Chemistry - I
Chemical Kinetics
Question Bank

In a first-order reaction, whi...

Single Answer MCQ
Q-00083286

In a first-order reaction, which statement is true regarding time for 99.9% completion?

1

Equal to half-life

2

Ten times the half-life

3

Half of half-life

4

Inversely related to half-life

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What is the order of a reaction if the rate law is expressed as rate = k[A]^2?

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Q2.

If the rate constant k for a first-order reaction is 3.0 s^-1, what is the half-life of the reaction?

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Q3.

In a zero-order reaction, how does the rate change as the concentration of reactants decreases?

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Q4.

Which of the following statements about first-order reactions is true?

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