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时间:2020-03-04
《2018届高考化学大一轮复习检测 排查练九 金属及其化合物 含解析.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、排查练九 金属及其化合物一、由图示写出下列化学反应方程式,是离子反应的写离子反应方程式(一)钠及其化合物①Na与H2O的反应___________________________________;②Na在O2中燃烧_____________________________________;③Na2O2与H2O反应__________________________________;④Na2O2与CO2反应___________________________________;⑤向Na2CO3溶液中通入过量CO2_________________________________________
2、_________________;⑥向Na2CO3饱和溶液中通入足量CO2_________________________________________________________;⑦NaHCO3溶液与NaOH溶液混合_________________________________________________________;⑧向Ca(OH)2溶液中加入少量NaHCO3溶液_________________________________________________________;⑨向NaHCO3溶液中加入少量Ca(OH)2溶液_____________________
3、____________________________________;⑩电解饱和食盐水__________________________________________________________。答案 ①2Na+2H2O===2Na++2OH-+H2↑②2Na+O2Na2O2③2Na2O2+2H2O===4Na++4OH-+O2↑④2Na2O2+2CO2===2Na2CO3+O2⑤CO+CO2+H2O===2HCO⑥2Na++CO+CO2+H2O===2NaHCO3↓⑦HCO+OH-===CO+H2O⑧HCO+Ca2++OH-===CaCO3↓+H2O⑨2HCO+Ca2++2OH
4、-===CaCO3↓+CO+2H2O⑩2Cl-+2H2OCl2↑+H2↑+2OH-(二)铝及其化合物①Al与NaOH溶液反应________________________________________________________;②Al(OH)3与NaOH溶液反应________________________________________________________;③Al2O3与NaOH溶液反应________________________________________________________;④NaAlO2与过量盐酸反应____________________
5、____________________________________;⑤向NaAlO2溶液中通入过量CO2________________________________________________________;⑥NaAlO2溶液与NaHCO3溶液混合________________________________________________________;⑦NaAlO2溶液与AlCl3溶液混合________________________________________________________;⑧AlCl3溶液中加入过量NaOH溶液_______________
6、_________________________________________;⑨AlCl3溶液中加入过量氨水________________________________________________________;⑩AlCl3溶液与NaHCO3溶液混合________________________________________________________。答案 ①2Al+2OH-+2H2O===2AlO+3H2↑②Al(OH)3+OH-===AlO+2H2O③Al2O3+2OH-===2AlO+H2O④AlO+4H+===Al3++2H2O⑤AlO+CO2+2H2O==
7、=Al(OH)3↓+HCO⑥AlO+HCO+H2O===Al(OH)3↓+CO⑦3AlO+Al3++6H2O===4Al(OH)3↓⑧Al3++4OH-===AlO+2H2O⑨Al3++3NH3·H2O===Al(OH)3↓+3NH⑩Al3++3HCO===Al(OH)3↓+3CO2↑(三)铁及其化合物①Fe与足量稀HNO3反应______________________________;②Fe与水蒸气反应_
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