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Ionisation energy of 5d-elements is more...

Ionisation energy of 5d-elements is more than 3d-
and 4d-elements. Why ?

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JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
  1. Why Cd^(2+) salts are white ? Cd=48

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  2. Which of the two is paramagnetic V(IV) or V(V) and why ?

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  3. Ionisation energy of 5d-elements is more than 3d- and 4d-elements. W...

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  4. Transition metals form number of interstitial compounds. Explain.

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  5. Why do transition metals have high enthalpies of atomization ?

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  6. Why do transition metals have high enthalpies of atomization ?

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  7. Which of the 3d-series of transition elements exhibits the largestn nu...

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  8. Why Cr^(2+) is strongly reducing while Mn^(3+) is strongly oxidising ?

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  9. Why Cr^(2+) is strongly reducing while Mn^(3+) is strongly oxidising ?

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  10. The E°(M^2+/M)value for copper is positive (+0.34 V). What is the p...

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  11. Why does Mn(II) shows maximum paramagnetic character among the dival...

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  12. Why are Mn^(2+) compounds more stable than Fe^(2+) compounds towards o...

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  13. Transition metals form mostly coloured compounds.Explain.

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  14. Most of the compounds of transition elements are paramagnetic in natur...

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  15. Explain :Transition elements exhibit variable oxidation states.

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  16. Explain why Cu(I) is diamagnetic while Cu(II) is paramagnetic.

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  17. Why are halogens coloured ?

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  18. Sc^(3+) ion is colourless while Cr^(3+) Ion is coloured. Explain.

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  19. Transition metals form alloys with other transition metals. Explain.

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  20. Transition elements and their compounds are found to be good catalysts...

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