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章末排查练(三)授课提示：对应学生用书第75页排查50个重要反应的化学、离子方程式1．钠及其重要化合物①Na和H2O的反应_______________________________________

_________________________________②Na和CH3COOH的反应________________________________________________________________________③Na2O2和H2O的反应______

__________________________________________________________________④NaH和水的反应_________________________________________________________

_______________⑤向NaOH溶液中通入过量CO2________________________________________________________________________⑥将Na2CO3溶液与石灰乳混合__________________________

______________________________________________⑦向Na2CO3溶液中通入过量CO2_________________________________________________________

_______________⑧将Na2CO3和Ca(HCO3)2混合________________________________________________________________________⑨将含等物质的量Na

HCO3溶液和NaOH溶液混合________________________________________________________________________⑩将含等物质的量NaHCO3溶液与澄清石灰水混合________________________

________________________________________________⑪将NaHCO3溶液与少量澄清石灰水混合________________________________________________

________________________⑫向饱和Na2CO3溶液中通入过量CO2气体________________________________________________________________________答案：①2Na＋2H2O===2Na＋＋2OH－＋H2↑②2N

a＋2CH3COOH===2CH3COO－＋2Na＋＋H2↑③2Na2O2＋2H2O===4Na＋＋4OH－＋O2↑④NaH＋H2O===Na＋＋OH－＋H2↑⑤OH－＋CO2===HCO－3⑥CO2－3＋Ca(OH)2===

CaCO3↓＋2OH－⑦CO2－3＋CO2＋H2O===2HCO－3⑧CO2－3＋Ca2＋===CaCO3↓⑨HCO－3＋OH－===CO2－3＋H2O⑩HCO－3＋Ca2＋＋OH－===CaCO3↓＋H2O⑪2HCO－3＋Ca2＋＋

2OH－===CaCO3↓＋CO2－3＋2H2O⑫2Na＋＋CO2－3＋CO2＋H2O===2NaHCO3↓2．铝及其重要化合物⑬Al和NaOH溶液的反应_____________________________

___________________________________________⑭Al(OH)3和NaOH溶液的反应________________________________________________________________________⑮Al(OH)3和

盐酸的反应________________________________________________________________________⑯Al2O3和NaOH的反应_____________

___________________________________________________________⑰Al2O3和盐酸的反应____________________________________________________

____________________⑱NaAlO2和过量盐酸的反应________________________________________________________________________⑲向NaAlO2溶液中通入过量CO2气体_____________

___________________________________________________________⑳将NaAlO2与NaHCO3混合_________________________________________________________________

_______○21将NaAlO2与AlCl3溶液混合________________________________________________________________________○22向AlCl3溶液中加入过量NaO

H溶液________________________________________________________________________○23向AlCl3溶液中加入过量氨水_______________________________________

_________________________________○24将AlCl3溶液与NaHCO3溶液混合________________________________________________________

________________答案：⑬2Al＋2OH－＋2H2O===2AlO－2＋3H2↑⑭Al(OH)3＋OH－===AlO－2＋2H2O⑮Al(OH)3＋3H＋===Al3＋＋3H2O⑯Al2O3＋2OH－

===2AlO－2＋H2O⑰Al2O3＋6H＋===2Al3＋＋3H2O⑱AlO－2＋4H＋===Al3＋＋2H2O⑲AlO－2＋CO2＋2H2O===Al(OH)3↓＋HCO－3⑳AlO－2＋HCO－3＋H

2O===Al(OH)3↓＋CO2－3○21213AlO－2＋Al3＋＋6H2O===4Al(OH)3↓○22Al3＋＋4OH－===AlO－2＋2H2O○23Al3＋＋3NH3·H2O===Al(OH)3↓＋3NH＋4○24Al3＋＋3H

CO－3===Al(OH)3↓＋3CO2↑3．铁及其重要化合物○25Fe和过量稀HNO3的反应________________________________________________________________________○26Fe高温下和水蒸气的反应

________________________________________________________________________○27Fe2O3和Al的反应_________________________

_______________________________________________○28Fe2O3高温下和CO的反应______________________________________________

__________________________○29FeCl3溶液和Cu的反应________________________________________________________________________○30

FeCl3与KSCN的反应________________________________________________________________________○31向FeCl2溶液中加入等物质的量的Na2O2____________________________

____________________________________________○32向FeCl2溶液中加入NaClO______________________________________________________________

__________○33Fe(OH)2长时间置于空气中________________________________________________________________________○34Fe3O4和稀盐酸的反应_________________________

_______________________________________________○35Fe3O4和稀HNO3的反应_______________________________________________________

_________________○36FeO和稀盐酸的反应________________________________________________________________________○37

FeO和稀HNO3的反应________________________________________________________________________○38Fe(OH)2和稀盐酸的反应__________________

______________________________________________________○39Fe(OH)2和稀HNO3的反应___________________________________________________________________

_____○40Fe(OH)3和HI的反应________________________________________________________________________○41FeBr2和少量

Cl2的反应________________________________________________________________________○42FeBr2和Cl2等物质的量的反应________________________

________________________________________________○43FeBr2和过量Cl2的反应___________________________________________________________

_____________答案：○25Fe＋4H＋＋NO－3===Fe3＋＋NO↑＋2H2O○263Fe＋4H2O(g)=====高温Fe3O4＋4H2○27Fe2O3＋2Al=====高温2Fe＋Al2O3○28Fe2O3＋3CO=====高温2Fe＋3CO

2○292Fe3＋＋Cu===2Fe2＋＋Cu2＋○30Fe3＋＋3SCN－Fe(SCN)3○314Fe2＋＋4Na2O2＋6H2O===4Fe(OH)3↓＋8Na＋＋O2↑○322Fe2＋＋ClO－＋4OH－＋H2O===2Fe(OH)3↓

＋Cl－○334Fe(OH)2＋O2＋2H2O===4Fe(OH)3○34Fe3O4＋8H＋===2Fe3＋＋Fe2＋＋4H2O○353Fe3O4＋28H＋＋NO－3===9Fe3＋＋NO↑＋14H2O○36FeO＋2H＋===F

e2＋＋H2O○373FeO＋10H＋＋NO－3===3Fe3＋＋NO↑＋5H2O○38Fe(OH)2＋2H＋===Fe2＋＋2H2O○393Fe(OH)2＋10H＋＋NO－3===3Fe3＋＋NO↑＋8H2O○402Fe(OH)3＋6H＋＋2I－==

=2Fe2＋＋I2＋6H2O○412Fe2＋＋Cl2===2Fe3＋＋2Cl－○422Fe2＋＋2Br－＋2Cl2===2Fe3＋＋Br2＋4Cl－○432Fe2＋＋4Br－＋3Cl2===2Fe3＋＋2Br2＋6Cl－4．铜及其重要化合物○44Cu在硫蒸气中燃烧

________________________________________________________________________○45铜在空气中生成铜绿____________________________________________________________

____________○46用惰性电极电解CuSO4溶液________________________________________________________________________○47Cu和浓HNO3的反应_______________________

_________________________________________________○48Cu和稀HNO3的反应__________________________________________

______________________________○49Cu和浓H2SO4的反应________________________________________________________________________○50胆矾受热

分解________________________________________________________________________答案：○442Cu＋S=====△Cu2S○452Cu＋O2

＋CO2＋H2O===Cu2(OH)2CO3○462Cu2＋＋2H2O=====通电2Cu＋4H＋＋O2↑○47Cu＋4H＋＋2NO－3===Cu2＋＋2NO2↑＋2H2O○483Cu＋8H＋＋2NO－3===3Cu2＋＋2NO↑＋4H2O○49Cu＋2H2SO4(浓

)=====△Cu2＋＋SO2－4＋SO2↑＋2H2O