Which of the following statements is not true?

The action of a catalyst is not specific.

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The catalyst does not alter the equilibrium.

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A small amount of catalyst is sufficient to catalyse large amounts of reactants.

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The catalyst initiates the reaction.

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Solution

The correct option is A The action of a catalyst is not specific.
All catalysts are specific for certain reactants. A certain catalyst can react with a particular reactant only. All catalysts do not react with all reactants.
Hence option A is correct.

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Similar questions

Which of the following statement is not correct for the catalyst?
(a) It catalysts the forward and backward reactions to the same extent
(b) It alters $Δ G$ of the reaction
(c) It is a substance that does not change the equilibrium constant of the reaction
(d) It provides an alternate mechanism by reducing activation energy between reactants and products

Q. Which of the following statements does not accurately describe the action of a catalyst?

Q. Addition of a catalyst in a reaction does not alter:

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

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Which of the following statements is not true?

The correct option is A The action of a catalyst is not specific.All catalysts are specific for certain reactants. A certain catalyst can react with a particular reactant only. All catalysts do not react with all reactants.Hence option A is correct.

The correct option is A The action of a catalyst is not specific.
All catalysts are specific for certain reactants. A certain catalyst can react with a particular reactant only. All catalysts do not react with all reactants.
Hence option A is correct.