根据下列要求写出有关反应式:(1)钢铁发生吸氧腐蚀时,正极反应式:_____________________;(2)用石

2025-04-17 09:12:06
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回答1:

(1)2H 2 O+O 2 +4e - ==4OH -
(2)2NaCl+2H 2 O 2NaOH+H 2 ↑+Cl 2
(3)Cu-2e - ==Cu 2+
(4)2Ba 2+ +4OH - +Al 3+ +2SO 4 2- ==2BaSO 4 ↓+AlO 2 - +2H 2 O
(5)AlCl 3 +3H 2 O Al(OH) 3 +3HCl、2Al(OH) 3 Al 2 O 3 +3H 2 O