Effect of a catalyst on a equilibrium reaction. (i) A catalyst increases the rate of the chemica...

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Effect of a catalyst on a equilibrium reaction.
(i) A catalyst increases the rate of the chemical reaction by making available a new low energy pathway for the conversion of reactants to products.
(ii) It increases the rate of forward and reverse reactions that pass through the same transition state and does not affect equilibrium.
(iii) It lowers the activation energy for the forward and reverse reactions by exactly the same amount.
Which of the above statement(s) is/are correct?
(a) Only(i)
(b) (i) and (ii)
(c) (i), (ii) and (iii)
(d) (ii) and (iii)
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