A galvanic cell has the overall reaction: Zn(s) + 2Eu(NO3)3(aq) → Zn(NO3)2(aq) + 2Eu(NO3),(aq) Which is the half reaction occurring at the cathode?

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A galvanic cell has the overall reaction:
Zn(s) + 2Eu(NO3)3(aq) → Zn(NO3),(aq) + 2Eu(NO3)2(aq)
Which is the half reaction occurring at the cathode?
|- NO; (aq) + 4H* (aq) + 3e
→ NO (g) + 2H2O (1)
Il- NO,(aq) + H,0 (1)
→ NO3°(aq) + 2H* (aq) + e
II- Zn (s)
Zn2* (aq) + 2e¯
IV- Eu3+ (aq) + e°
Eu2+ (aq)
V- Zn (s) + 2e
→ Zn2+ (aq)
Transcribed Image Text:A galvanic cell has the overall reaction: Zn(s) + 2Eu(NO3)3(aq) → Zn(NO3),(aq) + 2Eu(NO3)2(aq) Which is the half reaction occurring at the cathode? |- NO; (aq) + 4H* (aq) + 3e → NO (g) + 2H2O (1) Il- NO,(aq) + H,0 (1) → NO3°(aq) + 2H* (aq) + e II- Zn (s) Zn2* (aq) + 2e¯ IV- Eu3+ (aq) + e° Eu2+ (aq) V- Zn (s) + 2e → Zn2+ (aq)
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