1、NaBr+MnO2+H2SO4=NaHSO4+MnSO4+Br2+H2O2、Cu+HNO3=Cu(NO3)2+NO2+H2O3、K2Cr2O7+HCl=KCl+CrCl3+Cl2+H2O4、Br2+NaOH=NaBrO3+NaBr+H2O5、KIO3+KI+H2SO4=I2+K2SO4+H2O6、HN4Cl+K2Cr2O7+H2SO4=N2+Cl2+Cr2(SO4)3+K2SO4+H2O还要电子的转移= =
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![1、NaBr+MnO2+H2SO4=NaHSO4+MnSO4+Br2+H2O2、Cu+HNO3=Cu(NO3)2+NO2+H2O3、K2Cr2O7+HCl=KCl+CrCl3+Cl2+H2O4、Br2+NaOH=NaBrO3+NaBr+H2O5、KIO3+KI+H2SO4=I2+K2SO4+H2O6、HN4Cl+K2Cr2O7+H2SO4=N2+Cl2+Cr2(SO4)3+K2SO4+H2O还要电子的转移= =](/uploads/image/z/2268740-20-0.jpg?t=1%E3%80%81NaBr%2BMnO2%2BH2SO4%3DNaHSO4%2BMnSO4%2BBr2%2BH2O2%E3%80%81Cu%2BHNO3%3DCu%28NO3%292%2BNO2%2BH2O3%E3%80%81K2Cr2O7%2BHCl%3DKCl%2BCrCl3%2BCl2%2BH2O4%E3%80%81Br2%2BNaOH%3DNaBrO3%2BNaBr%2BH2O5%E3%80%81KIO3%2BKI%2BH2SO4%3DI2%2BK2SO4%2BH2O6%E3%80%81HN4Cl%2BK2Cr2O7%2BH2SO4%3DN2%2BCl2%2BCr2%28SO4%293%2BK2SO4%2BH2O%E8%BF%98%E8%A6%81%E7%94%B5%E5%AD%90%E7%9A%84%E8%BD%AC%E7%A7%BB%3D+%3D)
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