CBSE11MCQs
+4-1
For the oxidation of iron, 4Fe(s) + 3O₂(g) → 2Fe₂O₃(s), Δ_r H° = -1648 × 10³ J mol⁻¹ and Δ_r S° = -549.4 J K⁻¹ mol⁻¹ at 298 K. Is the reaction spontaneous?

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