第三章金属及其化合物章末复习一、根据下列转化关系，完成相关反应的化学方程式1．钠及其重要化合物①________________________________________________________________________②________________________________________________________________________③________________________________________________________________________④________________________________________________________________________⑤________________________________________________________________________⑥________________________________________________________________________⑦________________________________________________________________________⑧________________________________________________________________________⑨________________________________________________________________________⑩________________________________________________________________________2．铝及其重要化合物①________________________________________________________________________②________________________________________________________________________③________________________________________________________________________④________________________________________________________________________⑤________________________________________________________________________⑥________________________________________________________________________⑦________________________________________________________________________⑧________________________________________________________________________⑨________________________________________________________________________3．铁及其重要化合物①________________________________________________________________________②________________________________________________________________________③________________________________________________________________________④________________________________________________________________________⑤________________________________________________________________________⑥________________________________________________________________________⑦________________________________________________________________________⑧________________________________________________________________________⑨________________________________________________________________________⑩________________________________________________________________________二、相关物质的鉴别和检验1．Na2CO3和NaHCO3的鉴别(1)固体粉末：________(2)溶液：加入________或________溶液2．Al3＋的检验向溶液中滴加过量的________溶液，根据现象鉴别。3．Fe2＋、Fe3＋的检验(1)Fe3＋的检验向待测液中滴加____________，根据溶液出现的现象判断。(2)Fe2＋的检验①向待测液中滴加____________，再加入______，据实验现象判断。②向待测液中加入__________溶液，据沉淀的颜色变化判断。参考答案一、1.①4Na＋O2===2Na2O②2Na＋O2△,Na2O2③2Na＋2H2O===2NaOH＋H2↑④Na2O＋H2O===2NaOH⑤Na2O＋CO2===Na2CO3⑥2Na2O2＋2H2O===4NaOH＋O2↑⑦2Na2O2＋2CO2===2Na2CO3＋O2⑧2NaOH＋CO2(少量)===Na2CO3＋H2O⑨Na2CO3＋CO2＋H2O===2NaHCO3⑩2NaHCO3=====Na2CO3＋CO2↑＋H2O3．①3Fe＋4H2O(g)=====Fe3O4＋4H2②Fe＋2HCl===FeCl2＋H2↑③FeCl2＋2NaOH===Fe(OH)2↓＋2NaCl④Fe(OH)2＋2HCl===FeCl2＋2H2O⑤4Fe(OH)2＋O2＋2H2O===4Fe(OH)3⑥FeCl3＋3NaOH===Fe(OH)3↓＋3NaCl⑦Fe(OH)3＋3HCl===FeCl3＋3H2O⑧2Fe(OH)3=====Fe2O3＋3H2O⑨2FeCl2＋Cl2===2FeCl3⑩2FeCl3＋Fe===3FeCl2二、1.(1)加热法(2)CaCl2BaCl22.NaOH3．(1)KSCN溶液(2)①KSCN溶液氯水②NaOH
