Catalyst makes the reaction more exothermic.

True

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False

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Ambiguous

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Data insufficient

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Solution

The correct option is B False
The statement is false.
Catalyst does not makes the reaction more exothermic.
A catalyst can lower the activation energy required for the reaction to take place and allows the reaction to reach equilibrium faster, but as the catalyst is unchanged at the end of the reaction, the total energy absorbed or released during the reaction will be the same.

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Similar questions

E_{a}

△ H

	Statement
I	For an endothermic reaction, the magnitude of $E_{a}$ is always greater than $△ H$ .
II	For an exothermic reaction, the magnitude of $E_{a}$ is always greater than $△ H$ .
III	For an exothermic reaction, adding a catalyst will decrease the magnitude of $△ H$ .

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