26 verified questions · ~23 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
The equilibrium constant for the reaction SO₃(g) ⇌ SO₂(g) + ½ O₂(g) is K_C = 4.9 × 10⁻². The value of K_C for the reaction given below is 2SO₂(g) + O₂(g) ⇌ 2SO₃(g)
When MnO₂ and H₂SO₄ is added to a salt (A), the greenish yellow gas liberated. The salt (A) is:
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