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Question Practice

What is the half-life of a first-order reaction?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

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

What is the half-life of a fir...

Single Answer MCQ
Q-00083278

What is the half-life of a first-order reaction?

1

0.693/k

2

1/k

3

k/2

4

2.303/k

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Q1.

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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