For the reaction : CH4(g) + 2O2(g) <=> CO2(g) + 2H2O(l) H r = -170.8 kJ mol -1 Which of the following statements is not true:-

1. A. At equilibrium, the concentrations of CO2(g) and H2O(l) are not equal
2. B. The equilibrium constant for the reaction is given by K p = [ CO2 ] [ CH4 ][ O2 ]
3. C. Addition of CH4(g) or O2(g) at equilibrium will cause a shift to the right
4. D. The reaction is exothermic

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