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Explain why transition metal ions are us...

Explain why transition metal ions are usually coloured.

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The transition metal compounds are coloured due to d-d transitions in unpaired electrons and due to change transfer.
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ARIHANT PUBLICATION-D-BLOCK ELEMENTS-Part I Question for practice (Short answer type I questions )
  1. Explain why Fe^(3+) ion is more stable than Fe^(2+) ion in aqueous sol...

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  2. Write down the electronic configuration of (i) Cr^(3+) (ii) Cu^(+)...

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  3. To what extent do the eletronic configuration decide the stability of ...

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  4. In What way, the electronic configuration of the transition elements i...

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  5. How the variability in oxidation states of transition metals differ fr...

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  6. Explain briefly how +2 state becomes more and more stable in the first...

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  7. Compare the stability of +2 oxidation state for the elements of the fi...

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  8. Which First row transition element exhibits stable +1 oxidation state

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  9. Which is a stronger reducing agent, Fe^(2+) or Cr^(2+) and why ?

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  10. How would you account for the irregular variation of ionisation enthal...

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  11. Calculate the 'spin only' magnetic moment of M^(2+)(aq.) ion. (Z=27)

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  12. Explain why transition metal ions are usually coloured.

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  13. Predict which of the following will be coloured In aqueous solution gi...

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  14. Calculate the number of unpaired electrons in the following gaseous io...

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  15. Why do transition metals form complex salts?

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  16. What are the interstitial compounds ? Why are such compounds well know...

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  17. Explain, why mercury (I) ion exists as Hg(2)^(2+) ions, while copper (...

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  18. What are the transition elements?

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  19. Define transition elements. Discuss their followinng characteristic pr...

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