Question

(C) Stating from copper chips and concentrated nitric acid describe briefly, how can you prepare black
copper oxide?​

Answer 1

Answer:

Explanation:

First of all add the Copper chips to Nitric acid.

The reaction will give you Copper Nitrate.

Cu + 2HNO3 ------>   Cu(NO3)2 + H2

Now, the Copper Nitrate so formed is heated to 180 C to obtaion black Copper Oxide.

2Cu(NO3)2   Heat>    2CuO + 4NO2 + O2

Hope you find this helpful. Please rate this answer!

Answer 2

Answer:

Explanation:

First of all add the Copper chips to Nitric acid.

The reaction will give you Copper Nitrate.

Cu + 2HNO3 ------>   Cu(NO3)2 + H2

Now, the Copper Nitrate so formed is heated to 180 C to obtaion black Copper Oxide.

2Cu(NO3)2   Heat>    2CuO + 4NO2 + O2

Hope you find this helpful. Please rate this answer!