Which Is the Half-Reaction at the Anode in a Lead

question 81

Multiple Choice

Which is the half-reaction at the anode in a lead storage battery?

• A) Pb(s) + PbO₂(s) + 4H⁺(aq) + 2SO₄^2-(aq) → 2PbSO₄(s) + 2H₂O(l)
• B) PbO₂(s) + 4H⁺(aq) + 2SO₄^2-(aq) + 2e^- → PbSO₄(s) + 2H₂O(l)
• C) Pb(s) + SO₄^2-(aq) → PbSO₄(s) + 2e^-
• D) Pb(s) → Pb(s) + 2e^-
• E) H₂(g) → 2H⁺(aq) + 2e^-

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Definitions:

Times Interest Earned

A financial ratio that measures a company's ability to meet its debt obligations based on its current income, indicating financial stability against interest charges.

Coupon Interest Rate

The fixed rate of interest paid by a bond to its holder at specified intervals until maturity.

Market Interest Rate

The prevailing rate of interest determined by supply and demand in the money market that borrowers must pay and lenders receive.

Operating Lease

A contract that allows the use of an asset but does not convey rights of ownership, typically used for short-term leasing arrangements.