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(a) What is the basic difference between...

(a) What is the basic difference between the electronic configuration of transition and inner transition elements ?
(b) Describe the general trends in the following properties of 3d transition elements .
(i) Atomic size
(ii) Oxidation state
(iii) Formation of coloured ions.

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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-Assignment
  1. (a) Is copper a transition metal? If yes then why ? (b) Why are Cr,...

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  2. Why elements of group 12 are not considered as transition elements ?

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  3. (a) What is the basic difference between the electronic configuration ...

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  4. How will you account for the following : (i) All scandium salt are whi...

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  5. (a) What is Lanthanoid contration ? What are its important effects ? (...

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  6. Transition metals are coloured due to the following electronic transit...

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  7. (a) How would you account for the following : (i) Cobalt (II) is sta...

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  8. How will you account for the following : (i) Cobalt (II) is stable i...

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  9. Explain why Zn^(2+) salts are colouless while Ni^(2+) salts are colour...

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  10. Why are Mn^(2+) compounds more stable than Fe^(2+) toward oxidation to...

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  11. Why are Zn, Cd and Hg quite soft and have low melting points ?

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  12. Why are Cd^(2+) salts white ?

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  13. Why Zn, Cd and Hg are not considered as typical transitions elements ?

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  14. Describe the trends in the following properties of the first series of...

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  15. Explain the following observation about the transition elements. (i)...

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  16. Among the divalent cations in the first transition series, manganese e...

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  17. Describe the general characteristics of transition elements with speci...

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  18. Name the elements of 3d series. Give their electronic configuration. E...

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  19. How would you account for the following : (i) Cr^(2+) is reducing i...

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  20. State the reason for the following : (i) Cu (I) ion is not stable in...

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