2023年高考金属单质还原性的化学方程式
<p>金属单质还原性的化学方程式</p><p>金属单质(Na，Mg，Al，Fe)的还原性</p><p>2Na + H2 === 2NaH</p><p>金属单质还原性的化学方程式：4Na + O2 === 2Na2O</p><p>2Na2O + O2 === 2Na2O2</p><p>2Na + O2 === Na2O2</p><p>2Na + S === Na2S(爆炸)</p><p>2Na + 2H2O === 2NaOH + H2</p><p>2Na + 2NH3 === 2NaNH2 + H2</p><p>4Na + TiCl4(熔融) === 4NaCl + Ti</p><p>Mg + Cl2 === MgCl2</p><p>Mg + Br2 === MgBr2</p><p>2Mg + O2 === 2MgO</p><p>Mg + S === MgS</p><p>Mg + 2H2O === Mg(OH)2 + H2</p><p>2Mg + TiCl4(熔融) === Ti + 2MgCl2</p><p>Mg + 2RbCl === MgCl2 + 2Rb</p><p>2Mg + CO2 === 2MgO + C</p><p>2Mg + SiO2 === 2MgO + Si</p><p>Mg + H2S === MgS + H2</p><p>Mg + H2SO4 === MgSO4 + H2</p><p>2Al + 3Cl2 === 2AlCl3</p><p>4Al + 3O2 === 2Al2O3(钝化)www.xuexidiyi.com</p><p>4Al(Hg) + 3O2 + 2xH2O === 2(Al2O3.xH2O) + 4Hg</p><p>4Al + 3MnO2 === 2Al2O3 + 3Mn</p><p>2Al + Cr2O3 === Al2O3 + 2Cr</p><p>2Al + Fe2O3 === Al2O3 + 2Fe</p><p>2Al + 3FeO === Al2O3 + 3Fe</p><p>2Al + 6HCl === 2AlCl3 + 3H2</p><p>2Al + 3H2SO4 === Al2(SO4)3 + 3H2</p><p>2Al + 6H2SO4(浓) === Al2(SO4)3 + 3SO2 + 6H2O</p><p>(Al、Fe在冷、浓的H2SO4、HNO3中钝化)</p><p>Al + 4HNO(稀) === Al(NO3)3 + NO + 2H2O</p><p>2Al + 2NaOH + 2H2O === 2NaAlO2 + 3H2</p><p>2Fe + 3Br2 === 2FeBr3</p><p>Fe + I2 === FeI2</p><p>Fe + S === FeS</p><p>3Fe + 4H2O(g) === Fe3O4 + 4H2</p><p>Fe + 2HCl === FeCl2 + H2</p><p>Fe + CuCl2 === FeCl2 + Cu</p><p>Fe + SnCl4 === FeCl2 + SnCl2</p><p>(铁在酸性环境下、不能把四氯化锡完全</p><p>还原为单质锡 Fe + SnCl2==FeCl2 + Sn</p>
页:
[1]