Question

what happens when copper nitrate is heated ? name the gas evolved and residue color​

Answer 1

Explanation:

When copper nitrate heated first heat losses the water molecule, on further heating it decomposes to give reddish brown gas Nitrogen dioxide and oxygen. The greenish blue crystals of copper nitrate will change to black residue of copper oxide and give reddish brown gas i.e., nitrogen dioxide on heating.Copper nitrate is a blue coloured crystal. When copper nitrate is heated it loses the water molecule and then when is further heated it decomposes to give reddish brown gas, nitrogen dioxide and oxygen.

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Answer 2

Answer:

the greenish blue crystal of copper nitrate will change to black residue of copper oxide and give reddish brown nitrogen dioxide on heating