What is happening at the cathodic region? Rust has a tendency ...

[yoooooman]

What is happening at the cathodic region?
 
  Rust has a tendency to form when iron in contact with water reacts according to the following reaction:
 
  4 Fe + 3 O2  2 Fe2O3
 
  A) Iron is being oxidized.
  B) Oxygen is being oxidized.
  C) Oxygen is being reduced.
  D) Iron is being reduced.
  E) none of the above

Question 2

What would happen if the battery connections were suddenly reversed?
 
  Jewelry is often manufactured by electroplating an expensive metal such as gold over a cheaper metal. A setup for this process can be sketched as follows:
  A) The ring would continue to electroplate with gold.
  B) Gold ions in solution would get reduced and settle to the bottom of the container.
  C) Gold ions in solution would begin to electroplate onto the gold electrode.
  D) All electrolysis would stop.

[mceravolo]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C