4
QuizMultiple Choice
Balancing Oxidation-Reduction Equations
Question 4 • Foothill-B Period-Chemistry-26/27B
Consider the chemical reaction below. Zn(s) + 2H+(aq) Zn2+(aq) + H2(g)Which half reaction correctly represents reduction for this equation?
Answer
Z
Zn(s) Zn2+(aq) + 2e–
2
2H+(aq) + 2e– H2(g)
Z
Zn(s) Zn2+(aq) + e–
2
2H+(aq) + e– H2(g)