Q.

Consider the following statements regarding the equilibrium constants.I. Expression for the equilibrium constant is not applicable  when concentrations of the reactants and products have attained constant value at equilibrium state.II. The value of equilibrium constant is dependent on initial concentration of the reactants and products.III Equilibrium constant is temperature dependent having one unique value for a particular reaction represented by a balanced equation at a given temperature.IV. The equilibrium constant for the reverse reaction is directly proportional to the equilibrium constant for the forward reaction.  Choose the correct statement(s) is/are

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a

I and II

b

II and III

c

Only III

d

I, II, III and IV

answer is C.

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Detailed Solution

Important features of equilibrium constant as follows:(i) Expression for equilibrium constant is applicable only when concentrations of the  reactants and products have attained constant value at equilibrium state.(ii) The value of equilibrium constant is independent of initial concentrations of the reactants and products.(iii) Equilibrium constant is temperature dependent having one unique value for a particular reaction represented by a balanced equation at a given temperature.(iv) The equilibrium constant for the reverse reaction is equal to the inverse of the equilibrium constant for the forward reaction
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