This question is about the reaction given below. CO(g) + H2O(g) —> CO2(g) + H2(g) Which one of the following statements is not correct?
A The value of Kp changes when the temperature changes.
B The activation energy decreases when the temperature is increased.
C The entropy change is more positive when the water is liquid rather than gaseous.
D The enthalpy change is more positive when the water is liquid rather than gaseous

why is the answer A (AQA A LEVEL Chemistry)????