Assertion (A): As temperature increase, the value of equilibrium constant K_c may increase or decrease
Reason (R): With increase in temperature, the value of rate constant ‘K’ may increase of decrease

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A and R are true ‘R’ explains A

A and R are true ‘R’ does not explain A

A is true R is false

Both A and R are false

answer is C.

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Detailed Solution

When the temperature of the endothermic reaction is increased, the value of the equilibrium constant increases. However, when the temperature of the exothermic reaction is increased, the value of the equilibrium constant decreases.

With increase in temperature, rate of reaction always increases due to increase in number of molecules having energy greater than activation energy.

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