Which Chemical Equation Describes a Hydrogen Displacement Reaction

question 140

Multiple Choice

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(l)
• C)N₂(g)+ 3H₂(g)→ 2NH₃(g)
• D)CaBr₂(aq)+ H₂SO₄(aq)→ CaSO₄(s)+ 2HBr(g)
• E)2Al(s)+ 3H₂SO₄(aq)→ Al₂(SO₄)₃(aq)+ 3H₂(g)

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