Question

At 400 °C the reaction between hydrogen and iodine reaches an equilibrium. The reaction is exothermic. H2(g) + I2(g) 2HI(g) ∆H = –13kJ / mol Which change in conditions would increase the percentage of hydrogen iodide in the equilibrium mixture?
A a decrease in pressure
B a decrease in temperature
C an increase in pressure
D an increase in temperature
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Answer 1

Answer:

option c

Increase in pressure