What is the term for the green coating that copper takes on when it slowly reacts with oxygen and carbon dioxide in the air?

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What is the term for the green coating that copper takes on when it slowly reacts with oxygen and carbon dioxide in the air?

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Answer 1 · 2017-03-03T05:29:07

#"Verdigris...................."#

Explanation:

Verdigris is the greenish patina that copper acquires under oxidation in a saline environment. If you ever see the Statue of Liberty (cast out of copper), she has a lovely chalky-green, #"verdigris"# coat.

#"2Cu(s)" + 2"H"_3"CCO"_2"H" + "O"_2"(g)" rarr "Cu(O"_2"CCH"_3)_2*"Cu(OH)"_2#

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What is the term for the green coating that copper takes on when it slowly reacts with oxygen and carbon dioxide in the air?

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