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When metallic copper comes in contact wi...

When metallic copper comes in contact with mositure, a green powdery/pasty coating can be seen over it. This is chemically known as

A

copper sulphide-copper carbonate

B

copper carbonate-copper sulphate

C

copper carbonate-copper hydroxide

D

copper Sulphate-copper sulphide

Text Solution

Verified by Experts

The correct Answer is:
C
`Cu + O_(2) + CO_(2) + H_(2) O rarr Cu (OH)_(2). CuCO_(3)`
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