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In the reaction 2Hl g H2 g l2 g H 10 kj The con... - JAMB Chemistry 1990 Question

In the reaction:
2Hl(g) ↔ H2(g) + l2(g)' ΔH = 10 kj;

The concentration of iodine in the equilibrium mixture can be increased by?
A
raising the pressure
B
raising the temperature
C
adding a catalyst
D
lowering the pressure
correct option: b
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