Separate the following redox reactions into oxidation and reduction half-reactio

Question

Separate the following redox reactions into oxidation and reduction half-reactions.

Part A

Oxidation half-reaction for Zn(s)+2H+(aq)?Zn2+(aq)+H2(g).

Express your answer as a chemical equation. Identify all of the phases in your answer.

Part B

Reduction half-reaction for Zn(s)+2H+(aq)?Zn2+(aq)+H2(g).

Express your answer as a chemical equation. Identify all of the phases in your answer.

Part C

Oxidation half-reaction for 2Ce3+(aq)+Hg+2(aq)?2Ce4+(aq)+Hg(l).

Express your answer as a chemical equation. Identify all of the phases in your answer.

Part D

Reduction half-reaction for 2Ce3+(aq)+Hg+2(aq)?2Ce4+(aq)+Hg(l).

Express your answer as a chemical equation. Identify all of the phases in your answer.

Explanation / Answer

A)

Zn(s) ----> Zn+2 (aq) + 2e-

B)

2H+ (aq) + 2e- ----> H2 (g)

C)

Ce+3 (aq) -----> Ce+4 (aq) + e-

D)

Hg+2 (aq) + 2e-   ----> Hg (l)

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