(C) catalyst is a substance that increases the rate of both the forward and backward reactions to the same extent by lowering the activation energy. C

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Reduces the time required for reaching the equilibrium state in the reaction

(C) catalyst is a substance that increases the rate of both the forward and backward reactions to the same extent by lowering the activation energy. Consequently,it helps the system reach the equilibrium state in a shorter amount of time without altering the position of the equilibrium or the enthalpy change of the reaction. Therefore,the correct option is $C$.

Class 11 Chemistry 6-1.Equilibrium (Chemical Equilibrium)Equilibrium state and Characteristics of K

Medium

In the reversible reaction,a catalyst is the substance which:

AIPMT 1992 All AIPMT

A
Increases the rate of the forward reaction
B
Decreases the value of enthalpy change in the reaction
C
Reduces the time required for reaching the equilibrium state in the reaction
D
Decreases the rate of the reverse reaction

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6-1.Equilibrium (Chemical Equilibrium)

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Equilibrium state and Characteristics of K

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For the following reaction,
$C_{12}H_{22}O_{11(aq)} + H_2O_{(l)} \rightleftharpoons C_6H_{12}O_{6(aq)} + C_6H_{12}O_{6(aq)}$
Which of the following characteristics is not affected by the addition of a catalyst?

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For the equilibrium,$H_{2}O_{(l)} \rightleftharpoons H_{2}O_{(g)},$ which of the following is correct?

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Write the general characteristics of equilibria involving physical processes.

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For the reaction $H_{2(g)} + I_{2(g)} \rightleftharpoons 2HI_{(g)}$,the equilibrium constant changes with:

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In a reversible reaction at equilibrium between two reactants,if the concentration of the reactants is doubled,the equilibrium constant ..........

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In the reversible reaction,a catalyst is the substance which:

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For the following reaction,$C_{12}H_{22}O_{11(aq)} + H_2O_{(l)} \rightleftharpoons C_6H_{12}O_{6(aq)} + C_6H_{12}O_{6(aq)}$Which of the following characteristics is not affected by the addition of a catalyst?

For the equilibrium,$H_{2}O_{(l)} \rightleftharpoons H_{2}O_{(g)},$ which of the following is correct?

Write the general characteristics of equilibria involving physical processes.

For the reaction $H_{2(g)} + I_{2(g)} \rightleftharpoons 2HI_{(g)}$,the equilibrium constant changes with:

In a reversible reaction at equilibrium between two reactants,if the concentration of the reactants is doubled,the equilibrium constant ..........

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For the following reaction,
$C_{12}H_{22}O_{11(aq)} + H_2O_{(l)} \rightleftharpoons C_6H_{12}O_{6(aq)} + C_6H_{12}O_{6(aq)}$
Which of the following characteristics is not affected by the addition of a catalyst?