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2. Why heating is required in oxalic acid and potassium permanganate titration?
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3. Why one test tube of 2M sulphuric acid is required in permanganate titration?
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4. What is the oxidation state of carbon atom in oxalic acid after completion of redox titra
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5. Why primary standard substances are used to make standard solutions?
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Answer 1

Answer:

Oxalic acid solution is heated before titration with KMnO4 solution because This reaction happens only in certain temperature. ... So oxalic acid is heated to speed up the liberation of Mn^2+ ion which will then catalyse the reaction

Explanation:

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