(7)FeCl3与KClO在强碱性条件下反应可制取K2FeO4,其反应的离子方程式为___________________________________________________________
___________________________________________________________。
(8)Co(OH)3与H2SO4、Na2SO3溶液反应生成CoSO4的化学方程式为___________________________________________________________
___________________________________________________________。
答案:(1)2Fe3++SO2+2H2O===2Fe2++SO+4H+
(2)6Fe2++Cr2O+14H+===6Fe3++2Cr3++7H2O
(3)5C2H5OH+4MnO+12H+===5CH3COOH+4Mn2++11H2O
(4)2Fe2++BH+4OH-===2Fe+2H2↑+B(OH)
(5)5Cu+6NO+16H+===5Cu2++2NO↑+4NO2↑+8H2O
(6)PbO2+4HCl(浓)\s\up7(△(△)PbCl2+Cl2↑+2H2O
(7)2Fe3++3ClO-+10OH-===2FeO+5H2O+3Cl-
(8)2Co(OH)3+Na2SO3+2H2SO4===2CoSO4+Na2SO4+5H2O