For the reaction,
CH4(g) + 2O2(g) CO2(g) + 2H2O (l),
rH = -170.kJ mol-1
Which of the following statements is not true?
(a) At equilibrium, the concentrations of CO2(g) and H2O(l) are not equal
(b) The equilibrium constant for the reaction is given by Kp = [CO2]/CH4][O2]
(c) Addition of CH4(g) or O2 (g) at equilibrium will cause a shift to the right
(d) The reaction is exothermic