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Question

Which of the following statements is incorrect with respect to the use of a catalyst in the reversible reaction?

The correct answer is

The catalyst increases the rate of only the forward reaction.

The statement in Option 1 is incorrect because a catalyst increases the rates of both the forward and backward reactions in a reversible reaction. It does not selectively increase the rate of only one reaction. The catalyst works by lowering the activation energy for both directions of the reaction, speeding up the reaction in both directions equally. Hence, the correct answer is Option 1.

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Important Questions from Chemical Kinetics

  1. A reaction takes 30 minutes to complete 50% of the reaction and takes 45 minutes to complete 75% of the reaction. The order of the reaction is:

  2. Ferric oxide in blast furnace's upper half is mainly reduced by:

  3. If time taken for a first-order reaction to get 90% complete is 24 min, its t99.9% will be:

  4. Match the Items List-I and List-II:

    List-IList-II
    (A) Instantaneous Rate(I) Rate constant
    (B) Average Rate(II) Rate law
    (C) Mathematical expression for rate of reaction in terms of concentration of reactants(III) Short interval of time
    (D) Rate of reaction for zero-order reaction is equal to(IV) Long direction of time

    Choose the correct answer from the options given below:

  5. product formed is:

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