Use the Table of Standard Reduction Potentials Below to Identify

question 121

Multiple Choice

Use the table of standard reduction potentials below to identify the metal or metal ion that is the strongest reducing agent. 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) Pb⁴⁺
• B) Pb²⁺
• C) K⁺
• D) K
• E) Al

---

Definitions:

Subcutaneous

Pertaining to or situated under the skin, often used to describe injections or implants administered beneath the skin layer.

Intrathecal

Intrathecal refers to the administration of drugs or other substances directly into the space under the arachnoid membrane of the brain or spinal cord.

Intramuscular

Refers to the administration of medication directly into the muscle tissue.

Medications

Drugs or other forms of medical treatment used to diagnose, treat, or prevent illness.