Question

Help!! Chemistry!! Please!!

In the oxidation-reduction reaction H2O + 2MnO2 + Zn → Mn2O3 + Zn(OH)2, the half-reaction of the zinc is?

a. Zn(OH)2 → Zn + 2e-
b. Zn(OH)2 → Zn + 2OH-
c. Zn + 2OH- → Zn(OH)2 + 2e-
d. Zn + 2OH- + 2e- → Zn(OH)2

Answer 1

D

Step-by-step explanation:

2MnO2 + H2O => Mn2O3 + 2OH is the correct balanced equation. All others are missing or have incorrect coefficients.

Answer 2

C is the correct answer choice.