A Galvanic Cell Has the Overall Reaction:
Zn(s) $\rarr$ Zn(NO₃)₂(aq) + 2Eu(NO₃)₂(aq)
Which Is the Half Reaction Occurring at 2Eu(NO₃)₃(aq)

question 3

Multiple Choice

A galvanic cell has the overall reaction:
Zn(s) + 2Eu(NO₃) ₃(aq) $\rarr$ Zn(NO₃) ₂(aq) + 2Eu(NO₃) ₂(aq)
Which is the half reaction occurring at the anode

• A)NO₃^-(aq) + 4H⁺(aq) + 3e^- \(\rarr\) NO(g) + 2H₂O(l)
• B)NO₂(g) + H₂O(l) \(\rarr\) NO₃^-(aq) + 2H⁺(aq) + e^-
• C)Zn(s) \(\rarr\)Zn²⁺(aq) + 2e^-
• D)Eu³⁺(aq) + e^- \(\rarr\) Eu²⁺
• E)Zn(s) + 2e^- \(\rarr\) Zn²⁺(aq)^-

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