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(a) What are transition elements ? Discu...

(a) What are transition elements ? Discuss their magnetic properties ?
(b) Describe the oxidation sates and variable valencies of element of 3d series.

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What are transition elements? Explain the following properties : (a) Variable oxidation state (b) Coloured ion formation

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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-Assignment
  1. What is ionisation enthalpy? Explain why Ni(II) compounds are more sta...

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  2. Copper (I) is diamagnetic while copper (II) is paramagnetic . Explain...

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  3. (a) What are transition elements ? Discuss their magnetic properties ?...

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  4. (a) Is copper a transition metal? If yes then why ? (b) Why are Cr,...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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