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Effect on Kc

In a reversib...

Question

In a reversible reaction $H_{2} + I_{2} ⇋ 2 H I$ , if the concentration of $H_{2}$ and $I_{2}$ are increased, the value of $K_{c}$ :

A

decreases

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B

increases

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C

remains the same

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D

changes exponentially

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Solution

The correct option is B remains the same
The magnitude of the equilibrium constant is not affected by the changes in concentrations of reactants and products, pressure and volume. Thus, when the concentrations of hydrogen and iodine are increased, the value of the equilibrium constant remains the same.

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Q. The reaction

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