Given the Half-Reactions And $\mathrm{E}_{\mathrm{red}}^{\circ}$ Values in the Table Below, Determine Which Species Is the Table

question 7

Multiple Choice

Given the half-reactions and $\mathrm{E}_{\mathrm{red}}^{\circ}$ values in the table below, determine which species is the best oxidizing agent.
$\begin{array}{ll}\mathrm{MnO}_{4}-(a q) +8 \mathrm{H}^{+}(a q) +5 e^{-} \rightarrow \mathrm{Mn}^{2+}(a q) +4 \mathrm{H}_{2} \mathrm{O}(l) & \mathrm{E}_{\mathrm{red}=+1.512 \mathrm{~V}}^{\circ} \\4 \mathrm{H}^{+}(a q) +\mathrm{NO}_{3}-(a q) +3 e^{-} \rightarrow \mathrm{NO}(g) +2 \mathrm{H}_{2} \mathrm{O}(l) & \mathrm{E}_{\mathrm{red}=+0.964 \mathrm{~V}}^{\circ} \\\mathrm{Fe}^{3+}(a q) +e-\rightarrow \mathrm{Fe}^{2+}(s) & \mathrm{E}_{\mathrm{red}}^{\circ}=+0.771 \mathrm{~V} \\2 \mathrm{H}^{+}(a q) +2 e^{-} \rightarrow \mathrm{H}_{2}(g) & \mathrm{E}_{\text {red }}^{\circ}=0.000 \mathrm{~V}\end{array}$

• A) H⁺
• B) Fe²⁺
• C) Fe³⁺
• D) NO₃?
• E) MnO₄?

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Definitions:

Evolutionary Forces

Factors that influence the genetic composition of a population through natural selection, gene flow, mutation, and genetic drift.

Infants

Very young children or babies, especially those from birth up to one year old.

Warmth, Love

Feelings of affection, kindness, and care towards others, often characterized by positive emotional connections.

Protection

Measures or actions taken to guard against harm, damage, loss, or unwanted outcomes.