2H+(aq)+Fe(s)H2(g)+Fe2+(aq) 1. Indicate the half-reaction occurring at Anode. Ex

ID: 920161 • Letter: 2

Question

2H+(aq)+Fe(s)H2(g)+Fe2+(aq)

1. Indicate the half-reaction occurring at Anode.

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

2. Indicate the half-reaction occurring at Cathode.

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

2NO3(aq)+8H+(aq)+3Cu(s)2NO(g)+4H2O(l)+3Cu2+(aq)

1. Indicate the half-reaction occurring at Anode.

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

2. Indicate the half-reaction occurring at Cathode.

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

given reaction is

2H+ + Fe ----> H2 + Fe2+

we know that

oxidation occurs at anode

and

reduction takes place at cathode

1) half reaction at anode :

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

2) half reaction at cathode

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

given reaction is

2 N03- + 8H+ + 3Cu ----> 2 N0 + 4H20 + 3 Cu+2

we know that

oxidation occurs at anode

and

reduction takes place at cathode

1) half reaction at anode :

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

2) half reaction at cathode

N03- (aq) + 4H+ (aq) + 3e- ---> N0 (g) + 2 H20 (l)

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