H 2- I 2-2 HI In the above equilibrium system if the concentration of the reactants at 25- C is increased- the value of K C willA- IncreaseB- Remains the sameC- DecreaseD- Depends on the nature of the reactants

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Effect on Kc

H 2+ I 2=2 HI...

Question

$H_{2} + I_{2} = 2 H I$ In the above equilibrium system if the concentration of the reactants at $25^{\circ} C$ is increased, the value of $K_{C}$ will

Increase

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Decrease

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Remains the same

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Depends on the nature of the reactants

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Solution

The correct option is C
Remains the same

Increasing the reactants would increase the amount of product formed. It would also push the forward reaction according to Le-Chatelier's principal. But the equilibirum point won't be affected. As a result $K_{C}$ of the reaction will not change_.

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The value of rate constant of a pseudo first order reaction ..... .
(a) depends on the concentration of reactants present in small amount.
(b) depends on the concentration of reactants present in excess
(c) is independent of the concentration of reactants
(d) depends only on temperature

Q. Chemical equilibrium can be attained from either side, i.e., from the side of reactants or products.

2 H I ⇌ H_{2} + I_{2}

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H2 + I2 = 2HI In the above equilibrium system if the concentration of the reactants at 25∘C is increased, the value of KC will

The correct option is C Remains the same Increasing the reactants would increase the amount of product formed. It would also push the forward reaction according to Le-Chatelier's principal. But the equilibirum point won't be affected. As a result KC of the reaction will not change.

$H_{2} + I_{2} = 2 H I$ In the above equilibrium system if the concentration of the reactants at $25^{\circ} C$ is increased, the value of $K_{C}$ will

The correct option is C
Remains the same

Increasing the reactants would increase the amount of product formed. It would also push the forward reaction according to Le-Chatelier's principal. But the equilibirum point won't be affected. As a result $K_{C}$ of the reaction will not change_.