中学化学常用方程式大全(编辑过)
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1 中学化学常用方程式大全 一、非金属单质............................................................................................... 3 1、氧化性 ..................................................................................................2 2、还原性 ..................................................................................................2 3、(碱中)歧化 ...........................................................................................3 二、金属单质 ................................................................................................... 3 1、还原性 ..................................................................................................3 三、非金属氢化物........................................................................................... 4 1、还原性 ..................................................................................................4 2、酸性 ......................................................................................................4 3、碱性 ......................................................................................................4 4、不稳定性 ..............................................................................................4 四、非金属氧化物........................................................................................... 4 1、低价态的还原性 ..................................................................................9 2、氧化性 ..................................................................................................5 3、与水的作用 ..........................................................................................5 4、与碱性物质的作用 ..............................................................................5 五、金属氧化物............................................................................................... 5 1、低价态的还原性 ..................................................................................6 2、氧化性 ..................................................................................................6 3、与水的作用 ..........................................................................................6 4、与酸性物质的作用 ..............................................................................6 六、含氧酸 ....................................................................................................... 6 1、氧化性 ..................................................................................................6 2、还原性 ..................................................................................................6 3、酸性 ......................................................................................................7 4、不稳定性 ..............................................................................................7 七、碱 ............................................................................................................... 7 1、低价态的还原性 ..................................................................................7 2、与酸性物质的作用 ..............................................................................7 2
3、不稳定性 ..............................................................................................7 八、盐 ............................................................................................................... 7 1、氧化性 ..................................................................................................7 2、还原性 ..................................................................................................8 3、与碱性物质的作用 ..............................................................................8 4、与酸性物质的作用 ..............................................................................8 5、不稳定性 ..............................................................................................8 九、其他方程式............................................................................................... 8
十、有机化学方程式.........................................................................................................9 十一、无机反应中的特殊反应···········································14 3
一、非金属单质 (F2、Cl2、 O2、S、N2、P、C、Si) 1、氧化性 F2 + H2 = 2HF (冷暗处 爆炸) F2 +Xe(过量)=XeF2(产物为白色) 2F2(过量)+Xe=XeF4(产物为白色) nF2 +2M=2MFn (表示大部分金属)
2F2 +2H2O=4HF+O2 F2 +2NaX=2NaX+Cl2(熔融,不能是溶液) Cl2 +H2 =2HCl (光照或点燃)
3Cl2 +2P 点燃 2PCl3
Cl2 +PCl3 △ PCl5 Cl2 +2Na 点燃 2NaCl 3Cl2 +2Fe 点燃 2FeCl3 Cl2 +2FeCl2 =2FeCl3 离子方程式:Cl2 +2Fe2+ =2Fe3++2Cl-
Cl2+Cu 点燃 CuCl2 Cl2+2NaBr=2NaCl+Br2 离子方程式:Cl2+2Br-=2Cl-+Br2
Cl2 +2NaI =2NaCl+I2 离子方程式:Cl2+2I-=2Cl-+I2 * 5Cl2+I2+6H2O=2HIO3+10HCl(湿润碘化钾淀粉试纸长时间接触氯气先变蓝后褪色的原因) Cl2 +Na2S=2NaCl+S↓