Shristy posted an Question
September 29, 2020 • 04:29 am 30 points
  • IIT JAM
  • Chemistry (CY)

The colour of potassium dichromate is due to: (a) d-d transition 10. (b) transition in k" ion. 117/m/112,m block, kakadeo kanpur nagar uttar pradesh contact no.

The colour of potassium dichromate is due to: (a) d-d transition 10. (b) transition in K" ion. 117/M/112,M BLOCK, KAKADEO KANPUR NAGAR UTTAR PRADESH CONTACT NO. 7880546666, 7380546666 (c) ligand to metal charge transfer (d) Metal-to-ligand charge transfer.

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    Priyanshu kumar Best Answer

    Ligand to metal charge transfer Option C

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    yes sir reason ??

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    kmno4 and k2cr2o7 is coloured due to charge transfer spectra

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    this is also called anion to cation charge transfer

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    charge is transfer from oxygen anion to chromium cation

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    sir hme pta kaise chlega konse complex me d-d transition hora, LMCT hora ,MLCT hora ???

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    jb d orbitals me electrons honge then d-d transition

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    cr+6 me 0 unpaired electrons hai

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    Mn+7 me 0 unpaired electrons hai

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    and between LMCT and MLCT you have to study charge transfer spectra

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    https://youtu.be/-EKoIxoqf3Y check this

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