Which chemical equation describes a hydrogen displacement reaction? A) 2C₂H₆(g) + 7O₂(g) → 4CO₂(g) + 6H₂O(l) B) 2KBr(aq) + Cl₂(g) → 2KCl(aq) + Br₂(aq) C) N₂(g) + 3H₂(g) → 2NH₃(g) D) CaBr₂(aq) + H₂SO₄(aq) → CaSO₄(s) + 2HBr(aq) E) 2Al(s) + 3H₂SO₄(aq) → Al₂(SO₄)₃(aq) + 3H₂(g)

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In a hydrogen displacement reaction, a more reactive element displaces hydrogen from a compound. In choice E, aluminum displaces hydrogen from sulfuric acid, producing hydrogen gas.

Which Chemical Equation Describes a Hydrogen Displacement Reaction