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

Draw the structure of `Mn_(2) O_(7)` ?

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V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
  1. Cr(2)O(7)^(2-) is a strong oxidising agent whereas MoO(3) and WO(3) ar...

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

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

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

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

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  6. Transition elements act as catalysts. Why?

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  7. Why the transition metal compounds are coloured?

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

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  9. Name the ores of Titanium?

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

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

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  12. How is potassium permanganate prepared in the laboratory?

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

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

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

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

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  17. Which of the following would be coloured? Ti^(3+),Mn^(2+),Sc^(3+),Fe^...

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  18. Why do transition elements have many irregularities in their electroni...

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  19. Which one is paramagnetic is Sc^(3+) or Cr^(4+). Why?

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  20. Which is more basic LaOH(3) or LuOH(3) . Why?

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