On increasing the temperature , the rate of a reaction :

always increases

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always decreases

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first increases and then decreases

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may increase or decrease depending upon the nature of the

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Solution

The correct option is A always increases
Increasing the temperature increases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions which result in a reaction.
Hence, option A is correct.

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On increasing the temperature , the rate of a reaction :

The correct option is A always increasesIncreasing the temperature increases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions which result in a reaction.Hence, option A is correct.

The correct option is A always increases
Increasing the temperature increases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions which result in a reaction.
Hence, option A is correct.