Balance the Following Oxidation-Reduction Reaction Occurring in an Acidic Solution

question 80

Multiple Choice

Balance the following oxidation-reduction reaction occurring in an acidic solution. MnO₄^-(aq) + Cr²⁺(aq) → Mn²⁺(aq) + Cr³⁺(aq)

• A) MnO₄^-(aq)+ 8 H⁺(aq)+ 5 Cr²⁺(aq)→ Mn²⁺(aq)+ 4 H₂O(l)+ 5 Cr³⁺(aq)
• B) MnO₄^-(aq)+ 8 H⁺(aq)+ Cr²⁺(aq)→ Mn²⁺(aq)+ 4 H₂O(l)+ Cr³⁺(aq)
• C) MnO₄^-(aq)+ 4 H₂(g)+ 5 Cr²⁺(aq)→ Mn²⁺(aq)+ 4 H₂O(l)+ 5 Cr³⁺(aq)
• D) MnO₄^-(aq)+ 8 H⁺(aq)+ 2 Cr²⁺(aq)→ Mn²⁺(aq)+ 4 H₂O(l)+ 2 Cr³⁺(aq)
• E) MnO₄^-(aq)+ Cr²⁺(aq)→ Mn²⁺(aq)+ 2 O₂(g)+ Cr³⁺(aq)

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Definitions:

Producer Surplus

Producer surplus is the difference between what producers are willing to accept for a good or service and what they actually receive due to higher market prices.

Tariff

A tax imposed by a government on imported or exported goods, often used to protect domestic industries or to generate revenue.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and the actual price they pay.

Comparative Advantage

Comparative advantage is the ability of an individual, company, or country to produce a good or service at a lower opportunity cost than competitors, underpinning international trade theory.