Which of the following reaction(s) is/are in homogeneous equilibria? (a) N g 3H g 2NH g (b) CH COOC H aq H O l CH COOH aq C H OH aq (c) Fe aq SCN aq Fe SCN aq

In the gaseous reaction, 2 2 3 N g 3H g 2NH g , reactants and products are in the homogeneous phase. Similarly, for the reactions, 3 2 5 2 3 2 5 CH COOC H aq H O l CH COOH aq C H OH aq and 2 3 Fe aq SCN aq Fe SCN aq all the reactants and products are in homogeneous solution phase.