ChemistryChemical equilibriumJAMB
For 2SO₂ + O₂ ⇌ 2SO₃ (ΔH negative), the yield of SO₃ increases when
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Answer: A. pressure is raised and temperature lowered
Fewer gas moles on the right; forward reaction is exothermic.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.