Which statement is correct?
(i) standard Gibb's energy has no effect on equilibrium constant
(ii) standard Gibb's energy is proportional to logarithm of equilibrium constant
(iii) equilibrium constant can be obtained from standard Gibb's energy
(iv) only Kp can be obtained from standard Gibb's energy
(i) and (iv)
(ii) and (iii)
(i) and (ii)