与非金属氢化物相关的高一化学方程式汇总
<p>非金属氢化物(HF,HCl,H2O,H2S,NH3)</p><p>1、还原性:</p><p>4HCl(浓)+MnO2===MnCl2+Cl2+2H2O 4HCl(g)+O2===2Cl2+2H2O</p><p>16HCl+2KMnO4===2KCl+2MnCl2+5Cl2+8H2O</p><p>14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2+7H2O</p><p>2H2O+2F2===4HF+O2 2H2S+3O2(足量)===2SO2+2H2O</p><p>2H2S+O2(少量)===2S+2H2O 2H2S+SO2===3S+2H2O</p><p>H2S+H2SO4(浓)===S+SO2+2H2O 3H2S+2HNO(稀)===3S+2NO+4H2O</p><p>5H2S+2KMnO4+3H2SO4===2MnSO4+K2SO4+5S+8H2O</p><p>3H2S+K2Cr2O7+4H2SO4===Cr2(SO4)3+K2SO4+3S+7H2O</p><p>H2S+4Na2O2+2H2O===Na2SO4+6NaOH</p><p>2NH3+3CuO===3Cu+N2+3H2O 2NH3+3Cl2===N2+6HCl</p><p>8NH3+3Cl2===N2+6NH4Cl 4NH3+3O2(纯氧)===2N2+6H2O</p><p>4NH3+5O2===4NO+6H2O 4NH3+6NO===5N2+6HO(用氨清除NO)</p><p>NaH+H2O===NaOH+H2 4NaH+TiCl4===Ti+4NaCl+2H2</p><p>CaH2+2H2O===Ca(OH)2+2H2</p><p>2、酸性:</p><p>4HF+SiO2===SiF4+2H2O(此反应广泛应用于测定矿样或钢样中SiO2的含量)</p><p>2HF+CaCl2===CaF2+2HCl</p><p>H2S+Fe===FeS+H2 H2S+CuCl2===CuS+2HCl H2S+2AgNO3===Ag2S+2HNO3</p><p>H2S+HgCl2===HgS+2HCl H2S+Pb(NO3)2===PbS+2HNO3</p><p>H2S+FeCl2===FeS+2HCl</p><p>2NH3+2Na==2NaNH2+H2 (NaNH2+H2O===NaOH+NH3)</p><p>3、碱性：</p><p>NH3+HCl===NH4Cl NH3+HNO3===NH4NO3 2NH3+H2SO4===(NH4)2SO4</p><p>NH3+NaCl+H2O+CO2===NaHCO3+NH4Cl(此反应用于工业制备小苏打，苏打)</p><p>4、不稳定性：</p><p>2HF===H2+F2 2HCl===H2+Cl2 2H2O===2H2+O2 2H2O2===2H2O+O2</p><p>H2S===H2+S 2NH3===N2+3H2</p>
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