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Coordination Compounds — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryCoordination Compounds1 Mark
MCQ
Ti3+(aq) is violet while Ti4+(aq) is colourless because−
  • A
    There is no crystal field effect in Ti4+
  • B
    There energy difference between t2g​ and eg​ of Ti4+ is quite high and does not fall in the visible region.
  • C
    Ti4+ has d0 configuration.
  • D
    Ti4+ is very small in comparison to Ti3+ and hance does not absorb any radiation.
✓

Answer

  1. Ti4+ has d0 configuration.

    Explanation:

    Ti+3: d1 configuration have one unpaired d-electron so it is colourful but

    Ti+4: d0 configuration have zero unpaired d-electron so it is colourless.



    2.  

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