O-LevelChemistryRates of Reaction5070/11 · May/June 2013 · Q171 Mark
Chlorine can be manufactured by the following reaction. 4HCl(g) + O2(g) ⇌ 2H2O(g) + 2Cl2(g) ΔH is negative A mixture in dynamic equilibrium is formed. Which change to the mixture will increase the amount of chlorine at equilibrium?
Aadding a catalyst
Badding more HCl(g)
Cdecreasing the pressure
Dincreasing the temperature
✓ Correct answer
B: adding more HCl(g)
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