Question

What happens when a copper vessel is exposed to
moist air for along? Name the product formed in this
chemical reaction

Answer 1

Explanation:

Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.

The chemical reaction is:::

2Cu + H2O + CO2 + O2 → Cu(OH)2 + CuCO3

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Answer 2

Answer:

When copper vessel is exposed to air in rainy season, the metal reacts with gases and moisture and atmospheric gases to form a mixture of copper carbonate and copper hydroxide. This gives a green colour to the surface of copper metal.

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