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Question 256 of 442 in Physical Chemistry

Catalysts in industry

1 mark · Easy

State how a catalyst affects the activation energy of a reaction.

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A catalyst lowers the activation energy of a reaction.

Also accept: It provides an alternative pathway with lower activation energy.

Common mistakes: It increases activation energy.

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Marking points

B1 · 1 mark · States correctly that a catalyst lowers activation energy.

Worked solution

A catalyst lowers the activation energy for a reaction.

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