专题一 化学基础知识,第5讲 氧化还原反应,2,16,2,2,5,8,KMnO4,HCl,Cl2,MnCl2,还原,氧化,26.021023,2,还原,酸,课前8min,栏 目 导 航,考点透视,质量验收,课前8min,2HNO2(NH2)2CO=2N2CO23H2O,CuH2SO4H2O2=CuSO42H2O,4Ag4NaClO2H2O=4AgCl4NaOHO2,2Mn(OH)2O2=2MnO(OH)2,CuCu22Cl=2CuCl,27,C,B,考点透视,电子转移(得失或偏移),降低,得到,还原,升高,失去,氧化,D,C,D,A,C,A,14,Na2SO3,大于,大于,氧化,还原,最强,最强,还原,氧化,2Fe32H2O,H2SO4,S2H2O,I22H2O,2MnSO4K2SO45O28H2O,2H2OO2,2NaClO2O2,Na2SO4,4NaOHO2,2Na2CO3O2,3Fe2,3S2H2O,KCl3Cl23H2O,3Br23H2O,2NaNO2H2O,(2x3)N26xH2O,HClHClO,NaClNaClOH2O,4NaOHO2,2Na2CO3O2,2H2OO2,2HNO3NO,NaNO3NaNO2H2O,SSO2H2O,C,A,C,A,A,A,稀硝酸被还原为NO，浓硝酸被还原为NO2，NO可作催化剂，而NO2不能,8H2SO4,3NaClO2Fe(OH)34NaOH=2Na2FeO43NaCl5H2O,2KClO3H2C2O4H2SO4=2ClO2K2SO42CO22H2O,2CuO22H2SO4=2CuSO42H2O,NaAlH42H2O=NaAlO24H2,还原剂,催化剂,4,生成的催化剂NO更多，加快了反应速率,45.0%,质量验收,A,A,3,0.15,该温度下K2FeO4比Na2FeO4的溶解度小,Cl22Br=Br22Cl,3Na2CO33Br2=5NaBrNaBrO33CO2(或6Na2CO33Br23H2O=,5NaBrNaBrO36NaHCO3),5NaBrNaBrO33H2SO4=3Br23Na2SO43H2O,