Question

1.Tin is electroplated on iron to make cans for storing food. Why?
2. Explain electroplating of copper with a diagram

Answer 1

Answer:

Ans:-1)Tin is less reactive than iron. In order to prevent iron from reacting with food, tin is coated over iron for storing food.

Ans:-2)As Cu2+ ion is positively charged, it moves towards the negative terminal i.e. iron spoon and gets deposited on it. Thus, iron spoon gets plated with copper. There is no scarcity of Cu atoms because the copper atoms go into the solution from the positive terminal i.e. copper plate.

Answer 2

Answer:

1. Because, Iron gives the strength to the can but also have a demerits of 'Rusting', and for protecting from Rusting COPPER is Plated.

Explanation:

2. I can't Answer this time-being, I am Sorry..