The Half-Reaction That Occurs at the Cathode During Electrolysis of an Aqueous

question 40

Multiple Choice

The half-reaction that occurs at the cathode during electrolysis of an aqueous sodium iodide solution is

• A)Na⁺ + e^- \(\rarr\) Na.
• B)Na \(\rarr\) Na⁺ + e^-.
• C)2H₂O + 2e^- \(\rarr\) H₂ + 2OH^-.
• D)I₂ + 2e^- \(\rarr\) 2I^-.
• E)2I^- \(\rarr\)I₂ + 2e^-.

---

Definitions:

Government Transfers

Payments made by the government to individuals, without any goods or services being received in return.

Tax Rate

The percentage at which an individual or corporation is taxed, which can vary depending on income level, type of good, or jurisdiction.

Income Mobility

Relates to the ability of individuals or families to move up or down the economic ladder over time.

Economic Ladder

A metaphorical representation of the differing levels of economic prosperity among individuals in a society, indicating potential for upward mobility.