The equilibrium constant for the reaction SO₃ (g) SO₂ (g) + 1 2 O₂ (g) is K c = 4.9 × 10^–2. The value of K c for the reaction 2SO₂ (g) + O₂ (g) 2SO₃ (g) will be:

Equilibrium: JEE Main 2006 Chemistry question

JEE Main 2006 · Annual, Paper 1 · Q398

JEE Main 2006Annual, Paper 1ChemistryMediumEquilibrium123× since 2002

The equilibrium constant for the reaction SO₃ (g)

\leftrightharpoons

SO₂ (g) +

1 \over 2

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 :