JEE Main Chemistry question

Rate of reaction [Guj CET 2004]

(A)Decreases with increase in temperature
(B)Increases with increase in temperatureCorrect
(C)May increase or decrease with increase in temperature
(D)Does not depend on temperature

Answer: (B)

Solution

By the Arrhenius equation, , so (and hence the rate) rises with temperature for any reaction with a positive activation energy, because a larger fraction of molecules then possess energy equal to or above the threshold energy and collisions become more frequent and more

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Question ID VK-144210