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What happens to the rate constant k and activation energy Ea as the temperature of a chemical reaction is increased? Justify.

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Question

What happens to the rate constant k and activation energy Ea as the temperature of a chemical reaction is increased? Justify.

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Solution

As the temperature of a chemical reaction rises, the rate constant k rises and the activation energy Ea falls.

According to Arrhenius equation

k = `"Ae"^(-"E"_"a"//"RT")`

As a result, the rate constant k rises exponentially as the temperature rises.

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2022-2023 (March) Delhi Set 1

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