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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Equilibrium constant increases with increase in temperature for an endothermic reaction.
Reason R: For an endothermic reversible reaction, with increase in temperature, $k_{f}$ decreases while $k_{b}$ increases.
In the light of the above statements, choose the most appropriate answer from the options given below:

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Both A and R are correct and R is the correct explanation of A

Both A and R are correct but R is NOT the correct explanation of A

A is not correct but R is correct

A is correct but R is not correct

answer is D.

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Detailed Solution

Assertion is true, if $Δ H = + v e$
$T ↑ k_{e_{q}} ↑$ .
Reason is wrong, $k_{c} = \frac{k_{f}}{k_{b}}$ , $k_{f}$ and $k_{b}$ always increase with increase in temperature. $↑$ in $k_{f}$ less than $↑$ in $k_{b}$

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