Question

Cu-CuO-Cu(NO3)2-Cu(OH)2-CuO-CuCl2-FeCl2-NaCl-AgCl

Answer 1

2Cu + O2 = 2CuO

CuO + 2HNO3 = Cu(NO3)2 + H2O

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

Cu(OH)2 = CuO + H2O

CuO + 2HCl = CuCl2 + H2O

Fe + CuCl2 + FeCl2 = Cu

FeCl2 + 2NaOH = 2NaCl + Fe(OH)2

NaCl + AgNO3 = AgCl + NaNO3