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Imdadul Haque posted an Question
September 10, 2020 • 19:10 pm 30 points
  • IIT JAM
  • Chemistry (CY)

4. the complex which exhibits lowest energy electronic absorption band is: (a) [nicl41 (b)[ni(h;o)ol* () ini(cn)a] (d) ni(co)s

4. The complex which exhibits lowest energy electronic absorption band is: (a) [NiCl41 (b)[Ni(H;O)ol* () INi(CN)A] (d) Ni(CO)s

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    Abhishek kumar singh best-answer

    option a is correct since Cl is weakest ligand among these so CFSE will be lowest therefore absorption energy will be lowest

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    Priyanshu kumar

    The complex[NiCl4]2− exhibits the lowest energy absorption band because the ligand Cl− is a weak field ligand while others are strong field therefore it has the lowest Δo value and hence lowest energy absorption band.

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