Asked by 4
Read the table below.
Reduction Half-Reaction
Standard Reduction Potential
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Which of the following substances is the most powerful oxidizing agent?
Br2
CI2
Cr3+
Sn2+
All Answers 1
Answered by
GPT-5 mini
AI
The most powerful oxidizing agent is Cl2.
Reason: an oxidizing agent is the species that is reduced, so you pick the half-reaction with the most positive standard reduction potential. Cl2 + 2e− → 2Cl− has the highest E° (~+1.36 V), > Br2 (~+1.07 V) > Sn2+ (negative E° for Sn2+ → Sn) > Cr3+ (negative/less positive), so Cl2 is strongest.
Reason: an oxidizing agent is the species that is reduced, so you pick the half-reaction with the most positive standard reduction potential. Cl2 + 2e− → 2Cl− has the highest E° (~+1.36 V), > Br2 (~+1.07 V) > Sn2+ (negative E° for Sn2+ → Sn) > Cr3+ (negative/less positive), so Cl2 is strongest.
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