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Aqueous solution of Ti^(4+) is colourles...

Aqueous solution of `Ti^(4+)` is colourless, but aqueous solution of `Ti^(3+)` is violet in colour. Ex-plain.

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. Transition metel compounds are generally coloured. Why?

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  2. What interstitial compounds?

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  3. Aqueous solution of Ti^(4+) is colourless, but aqueous solution of Ti^...

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  4. Copper (I) and d^(10) configuration, while copper (II) has d^9 configu...

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  5. What are lanthanoids?

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  6. Give the chemical equation for the reaction be-tween a saturated solut...

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  7. Name a transition element of 3d series which does not exhibit variable...

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  8. In the first transition series of elements, which element shows highes...

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  9. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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  10. Why are powdered substances more effective adsorbents than their cryst...

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

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  12. Silver atom has complete filled d-orbitals (4d^(10)) in its ground sta...

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  13. Actinoid contraction is greater from element to element than lanthanoi...

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  14. Which of the first row transition metal exhibit +7 oxidation state?

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  15. How would you account for irregular variation of 1st and 2nd ionisatio...

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  16. What interstitial compounds?

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  17. Both Cu and Zn have completely filled 3d atomic orbital. Cu is conside...

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  18. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  19. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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  20. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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