What state does point s indicate ?
(a) Mole-fraction and partial vapour pressure of both the liquids are same
(b) Mole-fraction of the both the liquids are same, but their partial vapour pressures are different
(c) Mole-fraction and partial vapour pressures of both the liquids are different
(d) Mole-fraction of both the liquids are different, but their partial pressures are same.