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Why are all salts of scandium white?...

Why are all salts of scandium white?

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
  1. Among the lanthanoids, Ce(III) can be easily oxidised to Ce(IV) (Atomi...

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  2. Why is third ionisation enthalpy of manganese exceptionally high?

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  3. Why are all salts of scandium white?

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  4. Why is +2 oxidation state of manganese quite stable while the same is ...

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  5. Name a transition element which does not exhibit variable oxidation st...

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  6. How would you account for the following? The enthalpies of atomization...

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  7. What are transition elements? Give the general electronic configuratio...

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  8. Why is copper considered a transition metal, although it has completel...

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  9. Assign a reason for each of the following: The third ionization enthal...

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  10. Assign a reason for each of the following: The third ionization enthal...

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  11. Though copper, silver and gold have completely filled set of d-orbital...

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  12. Give the electronic configuration of copper (Z = 29).

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  13. What is the action of acidified K2Cr2O7 on KI?

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  14. What are amalgams?

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  15. Which is the densest transition metal?

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  16. What are coinage elements?

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  17. What is the number of unpaired electrons in Fe^(2+) ion (ferrous ion)?

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  18. What are the colours of Fe^(2+).

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  19. Name a transition element which does not exhibit variable oxidation st...

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  20. What is the number of unpaired electrons in Fe^(2+) ion (ferrous ion)?

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