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All the bonds between manganese and oxyg...

All the bonds between manganese and oxygen in '(KMnO4 are covalent. Why?

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Mn is in +7 oxidation state in .(MnO)_(4)^(-).. Incom- pounds of higher oxidation states, the bonds formed are mostly covalent since, they are formed by sharing of d-electrons.
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V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
  1. Copper cannot liberate (H)(2). from acids. Why?

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  2. Copper is the onty elemerit in the 1st transition series with a posit...

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  3. All the bonds between manganese and oxygen in '(KMnO4 are covalent. Wh...

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  4. Which is the highest oxidation state shown by any transition mètal?

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  5. Cr(2)O(7)^(2-) is a strong oxidising agent whereas MoO(3) and WO(3) ar...

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  6. Highest fluoride of Mn is MnF(4), whereas highest oxide is Mn(2)O(7) ....

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  7. Draw the structure of Mn(2) O(7) ?

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  8. Name the catnlyst used in (i) the manufacture of sulphuric acid by con...

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  9. Name the catalyst used in i) the oxidation of ammonia to nitric acid b...

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  10. Transition elements act as catalysts. Why?

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  11. Why the transition metal compounds are coloured?

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  12. Give the spin only formula fór calculating the magnetic moment of a tr...

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  13. Name the ores of Titanium?

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  14. . Name the metal, with highest melting point?

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  15. Name the common ores of i) Chromiüm ii) Molybdenum iii) Tungsten

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  16. How is potassium permanganate prepared in the laboratory?

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  17. What is the reaction between KMnO(4) and sodium thiosulphate?

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  18. Potassium permanganate KMnO(4) is not a primary standard Why?

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  19. Actinoids show, a large number of oxidation states Why?

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  20. Write the reason for the statement given below: Transition elements sh...

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