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Answer the following in brief. Explain graphically the effect of a catalyst on the rate of reaction. - Chemistry

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Short Note

Answer the following in brief.

Explain graphically the effect of a catalyst on the rate of reaction.

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Solution

i. Diagram:

Comparison of fraction of molecules for catalyzed and uncatalyzed reactions

ii. A catalyst lowers the threshold energy.

iii. Consequently, more molecules acquire the minimum amount of energy and tend to cross the energy barrier.

iv. A fraction of activated molecules is greater for the catalyzed reaction. The rate of catalysed reaction thus is larger than the reaction with no catalyst.

Concept: Effect of a Catalyst on the Rate of Reaction
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APPEARS IN

Balbharati Chemistry 12th Standard HSC for Maharashtra State Board
Chapter 6 Chemical Kinetics
Exercises | Q 3.16 | Page 137
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