In a word,the stability of Cu(I)increases in the presence of ligands and precipitating agent Cu,O+2HCI->2CuCI(s)+H2O Cu2+0.859VCul-0.185V_Cu Cu2+0.447V CuCl20.232V_Cu Cu2+0.561VCuC10.117V_Cu CuNH3)42+0.013yCu(NH3)2+-0.128VCu Cu2+0.161VCu+0.52V Cu
Cu2+ 0.859V CuI - 0.185V Cu Cu2+ 0.447V CuCl2 - 0.232V Cu Cu2+ 0.561V CuCl 0.117V Cu Cu(NH3 )4 2+ 0.013V Cu(NH3 )2 + -0.128V Cu C u 2 O 2HCl 2CuCl(s) H 2 O In a word, the stability of Cu(I) increases in the presence of ligands and precipitating agent Cu2+ Cu+ Cu 0.161V 0.52V
(2)Cu(IⅡ)compounds (i)Preparation and properties of CuO Cu2(0H),C0,_2o心c→2Cu0+C0,+H,0 Entropy increased熵增加 (i)Properties of CuO Cuo+2HNO,->Cu(NO3 )2+H2O Cu0+H,S04→CuS04+H,0 Cu0+2HC1→CuC12+H,0
(2) Cu(Ⅱ) compounds (i) Preparation and properties of CuO C u (O H) C O 2CuO C O 2 H 2 O 200℃ 2 2 3 Entropy increased熵增加 CuO 2HN O3 Cu(N O 3 ) 2 H 2 O CuO 2HCl CuCl 2 H 2 O CuO H 2 S O 4 CuSO 4 H 2 O (i) Properties of CuO