A GREEN LAYER DEPOSITS ON COPPER.CAN YOU GIVE THE SUBSTANCE WITH WHICH IT REACTS TO FORM THE GREEN LAYER AND THE EQUATION OF THE REACTION TOO?
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The green layer is of copper hydroxide and copper carbonate, just like iron here copper corrodes to form these substances which is we call rusting.
Copper reacts with oxygen ( slowly) to form copper oxide. Copper oxide reacts with water and CO2 to form-
Copper hydroxide- 30% (blue)
Copper carbonate-70% (green)
The reaction which take place is as follows-
2Cu+O2+H2O+CO2---> Cu(OH)2+CuCO3
Copper reacts with oxygen ( slowly) to form copper oxide. Copper oxide reacts with water and CO2 to form-
Copper hydroxide- 30% (blue)
Copper carbonate-70% (green)
The reaction which take place is as follows-
2Cu+O2+H2O+CO2---> Cu(OH)2+CuCO3
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