Consider the following reduction potentials:
Mg2+ + 2e- → Mg
E° = -2.37 V
V2+ + 2e- → V
E° = -1.18 V
Cu2+ + e- → Cu+
E° = +0.15 V
Which one of the following reactions will proceedspontaneously?
• Mg2+ + V → V2+ + Mg
• Mg2+ + 2Cu+ → 2Cu2+ + Mg
• V2+ + 2Cu+ → V + 2Cu2+
• V + 2Cu2+ → V2+ + 2Cu+
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