All of the Following Half-Reactions Are Balanced Except

question 26

Multiple Choice

All of the following half-reactions are balanced except

• A)NO₃^-(aq)+ 4H⁺(aq)+ 3e^- → NO(g)+ 2H₂O(l).
• B)H₃PO₃(aq)+ H₂O(l)→ H₃PO₄(aq)+ 2H⁺(aq)+ 2e^-.
• C)2Ta(s)+ 5H₂O(l)→ Ta₂O₅(s)+ 10H⁺(aq)+ 10e^-.
• D)2H₂O(l)+ 2e^- → H₂(g)+ 2OH^-(aq).
• E)H₂O₂(aq)→ 2OH^-(aq)+ 2e^-.

---

Definitions:

Steak

A high-quality cut of meat taken from the hindquarters of an animal, typically beef, prepared by grilling, frying, or broiling.

Elastic Demand

A situation where the demand for a product changes significantly in response to a change in price.

Short Run

A period in which at least one input is fixed and cannot be changed by the firm.

Substitutes

Products or services that can replace each other, where an increase in the price of one leads to an increase in demand for the other.