① H2SO3+I2+H2O=2HI+H2SO4 ② 2FeCl3+2HI=2FeCl2+2HCl+I2
①16H++10Z−+2XO4-=2X2++5Z2+8H2O
②2A2++B2=2A3++2B−
③2B−+Z2=B2+2Z−
根据上述反应,判断下列结论不正确的是( )
① Cu+HNO3﹣ Cu(NO3)2+ NO↑+H2O
②KMnO4+K2SO3+H2O﹣MnO2+K2SO4+KOH
③Fe(OH)3+NaOH+Cl2﹣Na2FeO4+NaCl+H2O
④H2O2+Cr2(SO4)3+﹣K2SO4+K2CrO4+H2O.