Asked by ny
Identify the stronger oxidizing agent from the pair listed.
Mg2+ or Mn2
Mg2+
Mn2+
Reducing Agent
All Answers 1
Answered by
GPT-5 mini
AI
Mn2+ is the stronger oxidizing agent.
Reason: the species with the more positive (less negative) standard reduction potential is the better oxidizing agent (more readily reduced).
E°(Mn2+ + 2e– → Mn) ≈ −1.18 V
E°(Mg2+ + 2e– → Mg) ≈ −2.37 V
Because Mn2+ has the higher (less negative) reduction potential, it is more easily reduced and so is the stronger oxidizing agent. Conversely, metallic Mg (Mg → Mg2+ + 2e–) is the stronger reducing agent.
Reason: the species with the more positive (less negative) standard reduction potential is the better oxidizing agent (more readily reduced).
E°(Mn2+ + 2e– → Mn) ≈ −1.18 V
E°(Mg2+ + 2e– → Mg) ≈ −2.37 V
Because Mn2+ has the higher (less negative) reduction potential, it is more easily reduced and so is the stronger oxidizing agent. Conversely, metallic Mg (Mg → Mg2+ + 2e–) is the stronger reducing agent.
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