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Consider the reaction A 2B g rightleftharpoons ... - JAMB Chemistry 2019 Question

Consider the reaction: A + 2B\(_{(g)} \rightleftharpoons \) 2C + D\(_{(g)}\) (\(\Delta\)H = +ve)

What will be the effect of decrease in temperature on the reaction?

A

Rate of backward reaction will increase

B

The equilibrium constant will shift

C

Rates of forward and backward reactions are not affected

D

Rate of forward reaction will increase

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Correct Option: A

The given reaction is endothermic, as a result of that, a decrease in temperature will favour the exothermic side which is the backward reaction.

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