A negative catalyst will:

lower the activation energy of the reaction

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does not alter the activation energy of the reaction

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provide a new and easy path to the reaction

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increases the activation energy of the reaction

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Solution

The correct option is C increases the activation energy of the reaction
A negative catalyst will increase the activation energy of the reaction.

Catalysts which decreases the rate of reaction is called a negative catalyst.

It decreases the rate of reaction by increasing the activation energy barrier which decreases the number of reactant molecules to transform into products and hence the rate of reaction decreases.

It will decrease the rate of the forward reaction and the reverse reaction to an equal extent.

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Similar questions

Mark the incorrect statements.
(a)Catalyst provides an alternative pathway to reaction mechanism
(b)Catalyst raises the activation energy
(c)Catalyst lowers the activation energy
(d)Catalyst alters enthalpy change of the reaction

Q. Catalysts lower the activation energy of a reaction :

Q. Assertion: The addition of a catalyst will decrease the

Δ H

for a reaction.
Reason: Catalysts provide alternate reaction paths with lower activation energies.

Q. Assertion :Positive catalyst decrease the energy of activation. Reason: Negative catalyst increase the energy of activation.

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.

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