Which of the Following Reactions Will Require the Use of an Inert

question 27

Multiple Choice

Which of the following reactions will require the use of an inert electrode when used in a voltaic cell?

• A) Co(s)+ 2 Ag⁺(aq)→ 2 Ag(s)+ Co²⁺(aq)
• B) 3 Ni(s)+ 2 Au³⁺(aq)→ 3 Ni²⁺ + 2 Au(s)
• C) Cu(s)+ 2 Ag⁺(aq)→ Cu²⁺(aq)+ 2 Ag(s)
• D) Zn(s)+ 2 MnO₂(s)+ 2 NH₄⁺(aq)→ Zn²⁺(aq)+ Mn₂O₃(s)+ 2 NH₃(aq)+ H₂O(l)
• E) 3 Zn²⁺(aq)+ 2 Al(s)→ 3 Zn(s)+ 2 Al³⁺(aq)

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