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Explain the structure of Cr2O7^(2-)...

Explain the structure of `Cr_2O_7^(2-)`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. True of False : Both La^(3+) and Lu^(3+) are diamagnetic.

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  2. True of False : The number of unpaired electrons in V^(2+) is 2

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  3. Explain the structure of Cr2O7^(2-)

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  4. Ti^(3+) compounds appear purple. Why?

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  5. Complete the following statement- Carrot, Spinach, tomato, red bell pe...

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  6. What is the oxidation state of Cr in CrO5.

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  7. True of False : Lanthanide compounds are less basic than actinide comp...

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  8. Complete the missing links: In CrO4^(2-) ion, Cr is .......... hybridi...

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  9. Write the general electronic configuration of transition elements.

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  10. What is the most common oxidation state in the Lanthanoids ?

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  11. Mention all the oxidation states exhibited by chlorine in its compound...

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  12. The chromate ion in acidic medium changes to ............. ion.

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  13. The formula of chromite is .............. .

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  14. Transition elements

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  15. The spin only magnetic moment for ion having d^8 electronic configurat...

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  16. What happens when: K2Cr2O7 is heated ?

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  17. What happens when potassium dichromate is heated with sodium chloride ...

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  18. The most common mineral containing lanthanum is ................. .

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  19. The element of second transition series which shows maximum number of ...

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  20. The theoretical magnetic moment of Sc^(3+) ion is ............. B.M.

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