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Pick the correct statement from the foll...

Pick the correct statement from the following: the addition of a catalyst changes equilibrium constant., a catalyst speeds up the forward reaction but slows down the reverse reaction., the composition of equilibriụm is changed by catalyst., addition of catalyst does not change the equilibtium concentrations

A

the addition of a catalyst changes equilibrium constant.

B

a catalyst speeds up the forward reaction but slows down the reverse reaction.

C

the composition of equilibriụm is changed by catalyst.

D

addition of catalyst does not change the equilibtium concentrations

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The main function of a catalyst in speeding up a reaction is

    A
    To increase the rate of the forward reaction
    B
    To change the reaction path so as to decrease the energy of activation for the reaction
    C
    To reduce the temperature at which the reaction can occur
    D
    To reduce the temperature at which the reaction can occur

  • Assertion: When a catalyst is added to a reaction mixture in equilibrium, the amount of the products increases. Reason : The forward reaction alone becomes faster on adding the catalyst.

    A
    If both (A) and (R) are correct and (R) is the correct explanation of (A).
    B
    If both (A) and (R) are correct, but(R) is not the correct explanation of (A)
    C
    If(A) is correct, but (R) is incorrect
    D
    If both (A) and (R) are incorrect

  • Statement 1 : The equilibrium constant for the reverse reaction is equal to the inverse of the equilibrium constant for the forward reaction. Statement 2: The value of equilibrium constant is independent of initial concentration of the reactants and products.

    A
    Statement 1 is True, statement 2 is True, Statement 2 is correct explanation for Statement 1.
    B
    Statement 1 is True, statement 2 is True, Statement 2 is NOT a correct explanation for Statement 1.
    C
    Statement 1 is True, statement 2 is false.
    D
    Statement 1 is False, Statement 2 is True.

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    The main function of a catalyst in speeding up a reaction is

    Select the correct statements which are re-latedto the influenceof catalystin a revers- ible reaction: Forward reaction takesplace when a catalyst is used in a reversible reaction.

    Select the correct statements which are re-latedto the influenceof catalystin a revers- ible reaction: The catalyst increases the rates of both the forward and the backward reactions to the same extent.

    During a class room discussing a student is of the view that value of equilibrium constant can be influenced by catalyst. Justify the role of catayst in an equilibrium reaction?

    Which of the following statements regarding catalyst is not true? A catalyst remains unchanged in composition and quantity at the end of the reaction, A catalyst can initiate a reaction, A catalyst does not alter the equilibrium in a reversible reaction, Catalysts are sometimes very specific in respect of reaction

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