Which of the following statement is true

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Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Chemical Kinetics

Question:

Which of the following statement is true about order of a reaction?

Options:

It cannot be fraction.

It is defined only for elementary reactions but not defined for complex reactions.

It can be determined theoretically.

It is an experimentally determined quantity.

Correct Answer:

It is an experimentally determined quantity.

Explanation:

Facts about order of a reaction;

(i) It is an experimentally determined quantity.

(ii) It may be zero, whole number, fraction or negative.

(iii) It is defined both for elementary as well as complex reactions.