求普通锌锰电池和碱性锌锰电池的正负电极反应式!谢谢
正:2MnO2+2e- +2NH4+=Mn2O3+H2O+2NH3负:Zn-2e-=Zn2+总:2MnO2+Zn+2NH4+=Mn2O3+Zn2+ +2NH3碱性锌锰干电池正:2MnO2+2e- +H2O=Mn2O3+2OH-负:Zn-2e- +4OH-=[Zn(OH)4]2-总:2MnO2+Zn+2OH- +H2O=Mn2O3+[Zn(OH)4]2锌锰电池是以二氧化锰为正极,锌为负极,氯化铵水溶液为主电解液的原电···
2025-01-29 22:48:21