Balance the following equation by oxidation number method . (i)Zn+HNOrarrZn(NO_(3))_(2)+NO+H_(2)O (ii) MnO_(4)^(-)+Fe^(2+)rarrMn^(2+)+Fe^(3+) (iii) MnO_(2)+HCIrarrMnCI_(2)+CI_(2)+CI_(2)+H_(2)O (iv) I_(2)+HNO_(3)rarrHIO_(3)+NO_(2)+H_(2)O

Balance the following equation by oxidation number method . (i)Zn+HNOr

1.	Balance the following equation by oxidation number method . (i)Zn+HNOrarrZn(NO_(3))_(2)+NO+H_(2)O (ii) MnO_(4)^(-)+Fe^(2+)rarrMn^(2+)+Fe^(3+) (iii) MnO_(2)+HCIrarrMnCI_(2)+CI_(2)+CI_(2)+H_(2)O (iv) I_(2)+HNO_(3)rarrHIO_(3)+NO_(2)+H_(2)O
Answer» Answer :(i) `Zn+4HNO_(3)rarrZn(NO_(3))_(2)+4NO_(2)+2H_(2)O` (ii) `MnO_(4)^(-)+5Fe^2++8H^(+)rarrMn^(2+)+5Fe^(3+)+4H_(2)O` (iii) `MnO_(2)+ 4HCI rarr MnCI_(2)+2H_(2)+CI_(2)` (iv) `I_(2)+10 HNO_(3) rarr 10 HNO_(3) rarr 2HIO_(3) rarr 2HIO_(3)+10NO_(2)+4H_(2)O`