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  • Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with oxalic acid Write the ionic equations for the reactions.

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)

best_answer

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

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

Posted by

manish

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