Question

完成下列化学方程式（较难,1．Pt + HNO3 + HCl =2．H2O2 + KI =3．MnO4- + SO3 2

Answer 1

1.3Pt+4HNO3+18HCl=3H2[PtCl6]+4NO↑+8H2O

2.H202 + 2KI + H2SO4 = 2H2O + I2 + K2SO4

3.2MnO4- + 5SO32- + 6H+ = 2Mn2+ + 5SO42- + 3H2O

4.Si+NaOH+H2O=Na2SiO3+2H2↑

5.SnCl2+2KMnO4+16HCl=SnCl4+2MnCl2+4Cl2↑+8H2O+2KCl

6.CuSO4+4NH3•H2O=[Cu(NH3)4]SO4+4H2O

7.AgBr+2Na2S2O3=Na3[Ag(S2O3)2]+NaBr

8.SbCl3+H2O=SbOCl↓+HCl

2SbOCl+2H2O=Sb2O3·H2O+2HCl