For a Galvanic Cell Using Fe | Fe²⁺(1

question 5

Multiple Choice

For a galvanic cell using Fe | Fe²⁺(1.0 M) and Pb | Pb²⁺(1.0 M) half-cells,which of the following statements is correct?
Fe²⁺(aq) + 2e^- → Fe(s) ; E° = -0.41 V
Pb²⁺(aq) + 2e^- → Pb(s) ; E° = -0.13 V

• A)The iron electrode is the cathode.
• B)When the cell has completely discharged,the concentration of Pb²⁺ is zero.
• C)The mass of the iron electrode increases during discharge.
• D)The concentration of Pb²⁺ decreases during discharge.
• E)Electrons leave the lead electrode to pass through the external circuit during discharge.

---

Definitions:

Credit Risk

The chance of incurring a loss due to a borrower's inability to pay back a loan or fulfill agreed-upon terms.

Interest Rate

The rate of a loan that is attributed as interest for the borrower, often presented as an annual percentage of the outstanding amount of the loan.

Bankruptcy

A legal procedure for dealing with debt problems of individuals and businesses; officially declaring the inability to pay outstanding debts.

Appliance Manufacturer

A company involved in designing, producing, and selling electrical or mechanical devices for domestic use.