内容正文:
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把难题清清楚楚地写出来,便已经解决了一半。
高一
化学
)
氧化还原——一中经典题
1、 配平专练
1.与硝酸反应
1.___Cu2O+___HNO3==___Cu(NO3)2+___NO↑+___H2O
2.___BaSO3+___HNO3 ==___BaSO4+___NO↑+___H2O
3.___Fe(OH)2+___HNO3 ==___Fe(NO3)3+___NO↑+___H2O
4.___FeS2+___HNO3 ==___Fe(NO3)3+___S+___NO↑+___H2O
5.___Zn+___HNO3 ==___Zn(NO3)2+___N2O+___H2O
6.___Zn+___HNO3 ==___Zn(NO3)2+___NH4NO3+___H2O
7.___Fe+___HNO3 ==___Fe(NO3)3+___NO↑+___H2O
2.与NH3相关反应
8.___NH3+___O2==___NO+___H2O
9.___NH3+___NO==___N2+___H2O
10.___NH3+___Cl2==___N2+___NH4Cl
11.___NH3+___Cl2==___N2+___HCl
3.Mn相关反应
12.___C2H2+___KMnO4+___H2SO4 ==___K2SO4+___MnSO4+___HCOOH+___H2O
13.___H2S+___KMnO4+___H2SO4 ==___S+___K2SO4+___MnSO4+___H2O
14.___MnO4-+___H2O2 ___H+==___Mn2+ ___O2↑+___H2O
15.___C2H4+___KMnO4+___H2O==___C2H6O2 ___MnO2 ___KOH
4.多处变价反应
16.___Cl2+___NaOH ===___NaCl ___NaClO3 ___H2O
17.___S+___OH-==___S2-+___SO32-+___H2O
18.___FeCl3+___Na2S==___S+___FeS+___NaCl
19.___KClO3+___HCl==___KCl+___ClO2+___Cl2+___H2O
5.其他类反