Q.

Regarding a catalyst some statements are given below. Correct statement among the following is

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a

It alters the value of equilibrium constant

b

It increases the equilibrium concentration of products

c

It helps establishing the equilibrium quickly

d

It supplies energy to the reactants

answer is C.

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Detailed Solution

A catalyst decreases the activation energy of forward reaction to the same extent as that of back ward reaction. Thus rate of forward and back ward reactions increase to the same extent.Thus in presence of catalyst, equilibrium is attained rapidly but a catalyst cannot change the position of equilibrium.
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