ChemistryMedium49×since 2002Q398The equilibrium constant for the reaction SO₃ (g) ⇋\leftrightharpoons⇋ SO₂ (g) + 121 \over 221 O₂ (g) is K_c = 4.9 ×\times× 10^–2. The value of K_c for the reaction 2SO₂ (g) + O₂ (g) ⇋\leftrightharpoons⇋ 2SO₃ (g) will be :A416B9.8 ×\times× 10⁻²C4.9 ×\times× 10⁻²D2.40 ×\times× 10⁻³Check answerSkip