Question

vaishnavi bought a statue made of copper. to her surprise it acquired a dull green coating after a months. explain the reason.

Answer 1

Carbon dioxide reacts with copper to form copper carbonate which is green in colour

Answer 2

Hello mate

The copper here reacts with CO₂ and forms a green colour compound ,

Cu + CO₂ ------------------------>  CuCO₃ ( GREEN COLOUR)

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