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Preparation of Hydrogen

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Calculate the oxidation number of magnesium in potassium permanganate.

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Q. Oxidation of isobutylene with acid potassium permanganate gives:

Q. Though alkaline potassium permanganate and acidic potassium permanganate both are used as oxidants, yet in the manufacture of benzoic acid from toluene we use alcoholic potassium permanganate as an oxidant. Why? Write the balanced redox equation for the reaction.

Q. The oxidation number of

M n

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Q. Assertion :In the reaction between potassium permanganate and potassium iodide, potassium permanganate act as oxidising agent. Reason: Oxidation state of manganese changes from

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+ 7

during the reaction.

What is the oxidation number of manganese $(Mn)$ in potassium permanganate $({KMnO}_{4})$ ?

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