Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with (i) iron(II) ions (ii) `SO_(2)` and (iii) oxalic acid ? Write the ionic equations for the reactions.

Explanation

(b) Reactions of acidified permanganate solution with
(i) Iron(II) ions (ii) `SO_(2)` and (iii) Oxalic acid
`2MnO_(4)^(-)+16H^(+)+10Fe^(2+)to 2Mn^(2+)+8H_(2)O+10Fe^(3+)`
`2MnO_(4)^(-)+5SO_(2)+2H_(2)O to 5SO_(4)^(2-)+2Mn^(2+)+4H^(+)`
`2MnO_(4)^(-)+16H^(+)+5C_(2)O_(4)^(2-)to 2Mn^(2+)+8H_(2)O+10CO_(2)`