(1)BD
(2)Cu(s)+H 2O 2(l)+2H +(aq)==Cu 2+(aq)+2H 2O(l) △H=-319.68KJ/mol
(3)H 2O 2分解速率加快
(4)2Cu 2++SO 3 2-+2Cl -+H 2O
2CuCl↓+SO 4 2-+2H +
(1)BD
(2)Cu(s)+H 2O 2(l)+2H +(aq)==Cu 2+(aq)+2H 2O(l) △H=-319.68KJ/mol
(3)H 2O 2分解速率加快
(4)2Cu 2++SO 3 2-+2Cl -+H 2O
2CuCl↓+SO 4 2-+2H +