JEE Advanced Chemistry question

In an atmosphere with industrial smog, Cu corrodes to

(A)Basic sulphate
(B)Basic carbonate
(C)Both (a) and (b)Correct
(D)None of the above

Answer: (C)

Solution

Industrial smog contains both (giving sulphuric acid) and , which together attack exposed copper surfaces over time, forming a greenish patina that is a mixture

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Question ID VK-159694