Write the Balanced Half-Reaction for the Reduction of Permanganate Ion

question 8

Multiple Choice

Write the balanced half-reaction for the reduction of permanganate ion to Mn²⁺ in an acidic solution.

• A) MnO₄−(aq)+ 8H⁺(aq)→ Mn²⁺(aq)+ 4H₂O(l)
• B) MnO₄−(aq)+ 5e− → Mn²⁺(aq)+ 2O₂(g)
• C) MnO₄−(aq)+ 4H⁺(aq)+ 3e− → Mn²⁺(aq)+ 4OH−(aq)
• D) MnO₄−(aq)+ 4H⁺(aq)+ 5e− → Mn²⁺(aq)+ 4OH−(aq)
• E) MnO₄−(aq)+ 8H⁺(aq)+ 5e− → Mn²⁺(aq)+ 4H₂O(l)

---

Definitions:

Discount Rate

This is the interest rate used in discounted cash flow (DCF) analysis to present values of future cash flows back to their value today.

Estimate Of Eps

A projection or prediction of a company's earnings per share (EPS) for a specified fiscal period.

Last Four Quarters

A reference to the most recent four consecutive fiscal quarters of a company's financial performance, used in analyzing trends.

Required Return

Referred to as the expected yield that investors aim for when putting money into an investment, considering its risk profile.