D: 2Na + H2 → 2NaH
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KMnO₄ is an oxidising agent. Its reaction with Fe²⁺ is shown in the following ionic equation. ...X...MnO₄⁻ + ......Fe…
The equations for three reactions involving chlorine or its compounds are listed. 1 2KClO₃ → 2KCl + 3O₂ 2 4KClO₃ → 3K…
The equation for a reaction of KClO3 is shown. 4KClO3 → KCl + 3KClO4 Which row is correct? disproportion…
Sulfur dioxide and oxygen react in the gas phase. 2SO₂(g) + O₂(g) ⇌ 2SO₃(g) ∆H = –197 kJ mol⁻¹ Which statements are c…
Three test-tubes, X, Y, and Z, each contain a small amount of water. • A small amount of NaCl is added to test-tube X…
Sodium chloride and sodium iodide react with concentrated sulfuric acid. Which statements are correct? 1 Sodium chlor…