Steel bolts made for sailboats are coated with zinc. Add the necessary components (electro...

Steel bolts made for sailboats are coated with zinc. Add the necessary components (electrodes, wires, batteries) to this diagram of an electrolytic cell with a zinc nitrate solution to show how it could be used to zinc plate a steel bolt.

a. What is the anode?

---

b. What is the cathode?

---

c. What is the half-reaction that takes place at the anode?

---

d. What is the half-reaction that takes place at the cathode?

---

e. If steel is mostly iron, what is the purpose of the zinc coating?