What Is the Reduction Half-Reaction for the Reaction of Zinc

question 22

Multiple Choice

What is the reduction half-reaction for the reaction of zinc with hydrochloric acid?
Zn(s) + 2H⁺(aq) + 2Cl^-(aq) → Zn²⁺(aq) + 2Cl^-(aq) + H₂(g)

• A)Zn(s)→ Zn²⁺(aq)+ 2e^-
• B)2H⁺(aq)+ 2e^- → H₂(g)
• C)2H⁺(aq)+ 2e^-(aq)→ H₂(g)+ 2Cl^-(aq)
• D)2H⁺(aq)+ 2Cl^-(aq)→ H₂(g)+ 2e^- + 2Cl^-(aq)
• E)Zn(s)→ Zn²⁺(aq)+ 2Cl^-(aq)+ 2e^-

---

Definitions:

Attitude Test

An assessment designed to determine a person's feelings or opinions about various subjects.

Motion Picture

Another term for a movie or film, a sequence of images displayed rapidly to create the illusion of motion.

Test Statistic

A value calculated from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis.

Rejection Region

The range of values for which the null hypothesis is considered not probable and is therefore rejected in a hypothesis test.