In Which of the Following Cases Is Water Acting as a Base

question 91

Multiple Choice

In which of the following cases is water acting as a base under the Lewis definitions,but not under the Bronsted-Lowry definitions?

• A)H₂O(l)+ HF(g)⇌ H₃O⁺(aq)+ F^-(aq)
• B)H₂O(l)⁺ CN^-(aq)⇌ OH^-(aq)+ HCN(aq)
• C)2 H₂O(l)+ Cu²⁺(aq)⇌ Cu(H₂O)₂²⁺(aq)
• D)2 H₂O(l)+ PO₄^3-(aq)⇌ 2 OH^-(aq)+ H₂PO₄^-(aq)
• E)2 H₂O(l)[electrolysis] ⇌ 2 H₂(g)+ O₂(g)

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