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Which statement about eh behavior of a c...

Which statement about eh behavior of a catalyst is correct?

A

A catalyst reacts with the product and shifts the equilibrium to the right speeding up the reaction.

B

A catalyst lowers the activation energy of the original reaction pathway.

C

A catalyst provides additional energy to a reactant so it can achieve the necessary activation energy.

D

A catalyst provides an alternative reaction pathway with a lower activation energy.

Text Solution

Verified by Experts

The correct Answer is:
D
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GRB PUBLICATION-CHEMICAL KINETICS-F. Effect of Temperature and Catalyst
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  9. For the equilibrium, A(g) rarr B(g) , DeltaH is -40 KJ/mol. If the...

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  10. A reacation takes place in three steps with actiation energy E(a(1))=1...

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  11. A catalyst decreases E(a) form 100 KJ mol^(-1) to 80 KJ mol^(-1) At wh...

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  12. In Arrhenius equation K =Ae^(-E(a)//RT), as underset(Trarroo)"lim" "lo...

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  13. The rates of which reactions are increased when the temperature s rais...

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  17. Which equation indicates the presence of a catalyst in the reaction?

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  18. When the temperature of a reaction is raised from 300 K to 310 K, the...

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