Question

Anita bought a statue of copper. To her surprise it got a green coating on the surface after a
couple of months. Explain the reason for it.​

Answer 1

Answer:

Explanation:

• The statue made of copper will get a dull green coating after a couple of months due to the oxidation of copper and other chemical reactions.
• When exposed to air and under moisture, copper reacts with water and oxygen.
• The copper first oxidizes to copper oxide and then undergoes further changes to finally form hydrated copper carbonate which is in green colour. This green colour layer is called as the patina
• pls mark me as brainliest

Answer 2

Answer:

oxidation of copper

Explanation:

When it was bought it should be in the normal color of copper but after a couple of moths of exposure to the surrounding air and tiny water molecules present in the air the copper undergone slow oxidation and produced copper oxide which is of green color.

Cu + O$Cu + O_{2} = CuO$(GREEN COLOR)