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2SO2 g O2 g 2SO3 g H -189 kJ mol-1 The equilibr... - JAMB Chemistry 2001 Question

2SO2(g) + O2(g) ↔ 2SO3(g)
ΔH = -189 kJ mol-1
The equilibrium constant for the reaction above is increased by
A
Increasing the temperature of the system
B
Increase the pressure of the system
C
The addition of a catalyst to the system
D
Increasing the surface area of the vessel
correct option: b
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