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Why are Ni^(2+) compounds thermodynami...

Why are `Ni^(2+)` compounds thermodynamically more stable than `Pt^(2+)` compounds whereas `Pt^(4+)` compounds are relatively more stable than `Ni^(4+)` compounds ?

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. True of False : Mn2O7 is a basic oxide.

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  2. Write reactions of KMnO4, in neutral medium with : MnSO4

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  3. Why are Ni^(2+) compounds thermodynamically more stable than Pt^(2+)...

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  4. True of False : Both La^(3+) and Lu^(3+) are diamagnetic.

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

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

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

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

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

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

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

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  12. Write the general electronic configuration of transition elements.

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

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

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

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  16. The formula of chromite is .............. .

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  17. Transition elements

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

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  19. What happens when: K2Cr2O7 is heated ?

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

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