高中化学人教版必修一第二章第三节氧化还原方程式配平练习

氧化还原方程式配平练习 Ino KC1+02 2. MoO2+HC1—Mxc12+-C12↑+_H2 3.__KMnO4+_HCl-__KCl+_MnCl, +_Cl, t+__H20 4._K2Cr20r+HC1-KC1+CrC13+C12↑+H20 5.KC103+HC1-KC1+C12↑+_H20 6.__C12+__KOH__KCl+_KC103+__H,0 7.-C12+02+H20--HC1+_H2504 8. s+__KOH-_K2s+-K2S03+-H20 9. △ H2O4+_H2S—_$02↑+_H20 10.Fe3+S02+H2O-Fe2+-s0+H 11.-_Fe++__H2S-_Fe2++_S++__Ht 12.KxO4+_H2O2+H2SO4-K2s04+nS04+-_02↑+H20 13._K02+_C02-K203+02 高温高压 14.-2+-B2催化清-mH 15._M2+H20-HN3+W0 16.mH2+-02催化剂 △ -_MO+H20 17.Cu+H'+M3-Cu2+-W↑+H20 18.__Ag+__HNO3-__AgNO3+__No t+__H,0 19. C+ HNO CO2↑+102↑+_H2 20.Fes04+KhO4+_H2504-Fe2(04)3+hso4+H20+_K2s04 21._H2S+KhO4+H2S04-MnSO4+K204+S↓+_H20 2.Cr20+Fe2+H-Cr3+Fe3+_H20 23.Cu2S+-H3 Cu(No3)2+H2 S04+__No.+__H20 24._P4+_Cu04+H20-Cu3P+H3FO4+_H2504 25. 高温 FeS,+ 0. Fe203+ 26.-Fe(OH)2+02+H20-Fe(OH)3 27.Fe2+02+H20-Fe3+Fe(OB)3↓ 28._Cu2+FeS2+ -Cua s+ so4+ Fe"+ 29.__Pt+__HNO3+__HCl--H2PtCl6+_NO2 t+ 30. Na Sx+ NaC10+ NaOH- Na. SO+ NaCl+ 31. A+ B-- B+ A 32.(NH)MnO4+□zn+口口-口Mnc3+口znCh2+囗NHC+口Ho 33.口№aBO3+口Mnso4+口口-口 NaMno+□Bi(sO+□Na2SO4+□Ho 34.AsS3+口HNO3+口口-口 H2SO4+□H3AsO4+□」NO 35.NH)CrO4-口NH3↑+口N2t+crO3+口 36.KMnO4+□Na2CO+□口-口K2so4+□NasO□co2↑+□MnSo4+□H2O 37.NH43-1HWO3+K2↑+H20 38.□ hCio+□P+口囗—HPO4+□HCl 氧化还原方程式配平练习参考答案 1.2KC102→2KC1+302↑ 2.hO2+4EC1=C12+c12t+2H20 3.2Kno4+16HC1=2KC1+2hxC12+5C12+8H20 4.K2Cr207+14HC1-2KC1+2crC13+3C12↑+7H20 5.KC103+6HC1→KC1+3C121+3H2 6.3c12+6X0H--5KC1+KC102+3H20 7.C12+02+2H20=2HBC1+H204 8.3s+6X0H=-2KS+K2s02+3H,0 9.3H2so4+H2s=-4502↑+4H20 10.2Fe3+02+2H20=2Fe2+oa+4Hr 11.2Fe3*+H2s=2Fe2+s4+2H 12.2MO4+5H22+3H2SO4=K2S04+2hnso4+502↑+8H20 13.4K02+2002=2K2CO3+302 高温高压 14.N2+ 催化剂2H3