Based on the Information in the Table of Standard Reduction

question 45

Multiple Choice

Based on the information in the table of standard reduction potentials below, what is the standard cell potential for an electrochemical cell that has iron, Fe, and magnesium, Mg, electrodes? Also, identify the cathode. Standard Reduction Potentials (volts) in Aqueous
Solution
$\begin{array} { l l } \mathrm { Pb } ^ { 4 + } + 2 \mathrm { e } ^ { - } \rightarrow \mathrm { Pb } ^ { 2 + } & + 1.80 \\ \mathrm { Au } ^ { 3 + } + 3 \mathrm { e } ^ { - } \rightarrow \mathrm { Au } & + 1.50 \\ \mathrm { Fe } ^ { 3 + } + 3 \mathrm { e } ^ { - } \rightarrow \mathrm { Fe } & + 0.771 \\ \mathrm { I } _ { 2 } + 2 \mathrm { e } ^ { - } \rightarrow 2 \mathrm { I } ^ { - } & + 0.535 \\ \mathrm {~Pb} ^ { 2 + } + 2 \mathrm { e } ^ { - } \rightarrow \mathrm { Pb } & - 0.124 \\ \mathrm { Al } ^ { 3 + } + 3 \mathrm { e } ^ { - } \rightarrow \mathrm { Al } & - 1.66 \\ \mathrm { Mg } ^ { 2 + } + 2 \mathrm { e } ^ { - } \rightarrow \mathrm { Mg } & - 2.37 \\ \mathrm {~K} ^ { + } + \mathrm { e } ^ { - } \rightarrow \mathrm { K } & - 2.93 \end{array}$

• A) +3.14 V with Fe as the cathode
• B) +3.14 V with Mg as the cathode
• C) -3.14 V with Fe as the cathode
• D) -3.14 V with Mg as the cathode
• E) +1.60 V with Fe as the cathode

---

Definitions:

African American Families

pertains to the family structures, dynamics, and cultural practices of African Americans, often studied within the context of sociology and cultural studies.

Masking Emotions

The practice of concealing one's true feelings or emotional state, often due to social pressures or personal strategies.

Cultural Variations

Differences in the customs, beliefs, and practices among various societies and ethnic groups.

Older Children

Refers to children who are in the later stages of childhood, typically from age seven onwards, approaching adolescence.