Cu-Cu(NO2)2-Cu(OH)2-CuO-Cu

Question

Cu-Cu(NO2)2-Cu(OH)2-CuO-Cu

Answer 1

3Cu + 8HNO3 =3 Cu(NO3)2 + 2NO + 4H2O

Cu(NO3)2 + 2NaOH = Cu(OH)2 + 2NaNO3

Cu(OH)2 = CuO + H2O

2CuO = 2Cu + O2