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Q 1910891710.     Dcscribe the preparation of potassium
pcrmanganate. How does the acidified
per manganate solution react with (i) iron (II)
ions (ii) `SO_2` and (iii) oxalic acid? Write the
ionic equations for the reactions.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)