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What are redox reactions ?...

What are redox reactions ?

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(i) Redox reaction involve transfer of electrons from one reactant to another Such reactions are always coupled . Which means than when one substance is oxidised. Another must be reduced.
(ii) The substance which is oxidised is a reducing agent and the one which is reduced is an oxidizing agent .
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SURA PUBLICATION-TRANSITION AND INNER TRANSITION ELEMENTS-Short Answer
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  8. What are the uses of potassium dichromate ?

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  9. Explain the preparation of potassium permanganate from pyrolusite

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  10. What happens to potassium permanganate on chemical oxidation ?

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  11. Give the ionic reaction of electrolytic of aqueous solution of K...

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  12. What happens to KMnO(4) when it reacts with (i) cold conc. H(2) ...

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  13. Explain the oxidising property of KMnO(4) in neutral medium .Giv...

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  14. Explain the oxidising property of KMnO(4) in alkaline medium .

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  15. Explain the oxidising property of KMnO(4) in acid medium

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  16. Why HCI and HNO(3) cannot be used for making the KMnO(4) medium ...

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  17. Give the uses of KMnO(4)

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  18. What are the causes of lanthanoids contraction ?

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  19. Draw the structure of dichromate ion.

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