Which of the following describes redox in displacement plating? A) The Metal A ion is oxidized and Metal B is reduced.
B) The Metal A ion is reduced and Metal B is oxidized.
C) Displacement plating does not involve a change in oxidation states.

B) The Metal A ion is reduced and Metal B is oxidized.

Explanation:

When we think of electroplating, we often think of a set up in which there is a nonsponteanous reaction driven by the presence of a cell.

However, in displacement plating, a cell is not involved. Metals are chosen based on their respective position in the electrochemical series.

For instance, silver can be coated on copper by immersing the copper rod into a silver ion solution. The copper rod becomes oxidized. The silver ions accept electrons and become deposited on the copper rod.

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.