8.16 Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with

(iii) oxalic acid

Write the ionic equations for the reactions.

Answers (1)
M manish

When acidified permanganate solution react with oxalic acid (H_{2}C_{2}O_{4}) it converts oxalic acid into carbon dioxide (CO_{2})
Here are the reacions-

\\MnO_{4}^{-}+8H^{+}+5e^{-}\rightarrow Mn^{2+}+4H_{2}O]\times 2\\ C_{2}O_{4}^{2-}\rightarrow 2CO_{2}+2e^{-}]\times 5
--------------------------------------------------------------------------------------------------
2MnO_{4}^{2-}+5C_{2}O_{4}^{2-}+16H^{+}\rightarrow 2Mn^{2+}+10CO_{2}+8H_{2}O      overall reaction 

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