7951. If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) September 7, 2025 by Admin Decreases Increases Remains unaltered Changes unpredictably ✅ The correct answer is option A.
