why do copper vessels acquire a green coating if they are exposed to moist air for a long time

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Solution

Dear Student Copper vessels react with the water and oxygen present in the atmosphere that give the metal a shiny pale green outer layer called patina. Chemically it is called basic copper carbonate. Formula is CuCO3.Cu(OH)2 Regards

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Similar questions

When copper vessels are exposed to moist air for a long time, a green coating is formed. Which are the constituents of the coating?
(i) Copper hydroxide
(ii) Copper carbonate
(iii) Copper oxide

When a vessel is exposed to moist air for a long time,then a green coating is formed on its surface.The vessel must be made of :

(a) zinc

(b) magnesium

(d) copper

When a copper object is exposed to moist air for a long time,then a green coating is formed on its surface.

(a) What is the material of the green coating ?

(b) State whether the green coating is acidic or basic.

What happens when a copper vessel is exposed to moist air for a long time ?

Q. A copper vessel acquires a green coloured coating when kept in moist air for a few days. The green coloured substance is chemically

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