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Types of Catalysis

In chemical r...

Question

In chemical reaction, the catalyst:

A

alters the amount of product

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B

lowers the activation energy

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C

decreases

A

of forward reaction

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D

increases

A

of forward reaction

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Solution

The correct option is B lowers the activation energy
A catalyst is the substance which speed up the chemical reaction by lowering the activation energy of reaction but it do not effects the amount of forward and backward reaction.
Hence option B is correct.

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Similar questions

Q. Assertion :Catalyst changes the equilibrium position. Reason: Catalyst alters the rates of both forward and backward reactions.

Q. The activation energy for a simple chemical reaction

A \to B i s E_{a}

in the forward reaction. The activation energy of the reverse reaction:

Q. In this graphic representation of a chemical reaction, which one represents the activation energy for a forward reaction?

Q. Assertion :A catalyst does not alter the equilibrium constant of a reaction. Reason: The catalyst forms a complex with the reactants and provides an alternate path with lower energy of activation for the reaction; the forward and back ward reactions are affected to the same extent.

Q. Assertion : A catalyst that increases the rate of a forward reaction also increases the rate of the reverse reaction
Reason : The activation energy for a forward reaction is necessarily equal to the of the reverse reaction.

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