Q.

The role of catalyst in a reversible reaction is

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a

It alters the equilibrium constant of the reaction

b

It decreases the rate of backward reaction

c

It increases the rate of forward reaction

d

It allows the equilibrium to be achieved quickly

answer is D.

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Detailed Solution

Catalyst can change the rate of reaction without consumed in a reaction. The positive catalyst lowers the activation energy and increases the rate of forward and back ward reactions equally for reversible reaction. Hence, the equilibrium would be achieved quickly.

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