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Derivation of Kp and Kc

For a given e...

Question

For a given exothermic reaction $K_{P}$ and $K_{P}^{'}$ are the equilibrium constants at temperatures $T_{1}$ and $T_{2}$ respectively. Assuming that het of reaction is constant in temperature range between $T_{1}$ and $T_{2}$ it is readily observed that.

A

K_{p} = K_{p}^{'}

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B

K_{p} = \frac{1}{K_{p}^{'}}

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C

K_{p} > K_{p}^{'}

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D

K_{p} < K_{p}^{'}

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Solution

The correct option is A $K_{p} < K_{p}^{'}$
For an exothermic reaction equilibrium constant decreases as the temperature increases.
Assuming $(T_{2} > T_{1})$
${K_{P}}^{^{'}} < K_{P}$

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