2019高考化学二轮复习考前15天回扣四经典方程式再书写课件.ppt

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1、四、经典方程式再书写,回扣基础 规范答题,1.将Na2O2加入到Na2SO3溶液中(写化学方程式) _ 2.将Na加入到FeCl3溶液中(写化学方程式) _ 3.将Na2O2加入到FeCl3溶液中(写化学方程式) _ 4.将Na2O2加入到含等物质的量的FeCl2溶液中(写离子方程式) _,答案,Na2O2Na2SO3H2O=2NaOHNa2SO4,6Na6H2O2FeCl3=6NaCl2Fe(OH)33H2,6Na2O26H2O4FeCl3=4Fe(OH)312NaCl3O2,4Na2O26H2O4Fe2=4Fe(OH)3O28Na,5.实验室利用KClO3和浓HCl反应制Cl2(写离子方程

2、式) _ 6.工业上利用Cl2和石灰乳制漂白粉(写化学方程式) _ 7.将SO2通入到碘水中(写离子方程式) _ 8.漂白粉在空气中的漂白原理(写离子方程式) _,答案,2Cl22Ca(OH)2=CaCl2Ca(ClO)22H2O,Ca22ClOCO2H2O=CaCO32HClO,9.Cu和浓H2SO4反应(写化学方程式) _ 10.C和浓H2SO4反应(写化学方程式) _ 11.将H2S气体通入到FeCl3溶液中(写离子方程式) _ 12.将SO2气体通入到H2O2中(写离子方程式) _,答案,2Fe3H2S=S2Fe22H,13.工业上制粗硅 _ 14.强碱缓慢腐蚀玻璃(写离子方程式) _

3、 15.将过量CO2气体通入到Na2SiO3溶液中(写离子方程式) _ 16.制水煤气 _,答案,17.实验室制NH3 _ 18.NH3的催化氧化 _ 19.C和浓HNO3的反应(写化学方程式) _ 20.Cu和稀HNO3的反应(写离子方程式) _,答案,21.过量Fe与稀HNO3的反应(写离子方程式) _ 22.Al和NaOH溶液的反应(写离子方程式) _ 23.将过量CO2气体通入NaAlO2溶液中(写离子方程式) _ 24.AlCl3溶液和过量氨水的反应(写离子方程式) _,答案,25.将Al2S3固体投入到水中 _ 26.将NaHCO3溶液与Al2(SO4)3溶液混合(写离子方程式) _ 27.将Fe3O4和Al高温加热 _ 28.FeO和浓HNO3的反应(写离子方程式) _,答案,Al2S36H2O=2Al(OH)33H2S,29.将FeCl3溶液和KI溶液混合(写离子方程式) _ 30.将FeO加入到酸性KMnO4溶液中(写离子方程式) _,答案,2Fe32I=2Fe2I2,

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