Anand posted an Question
February 07, 2021 • 22:27 pm 30 points
  • IIT JAM
  • Chemistry (CY)

17. the complex with the most intense colour among the following is (a)[fefa13 (b) [mncl1 (c)[cocl,1 (c)[cof hloolh on etandina

17. The complex with the most intense colour among the following is (a)[FeFa13 (b) [MnCl1 (c)[COCl,1 (C)[CoF hloolh on etandina

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    Dinesh khalmaniya 1 best-answer

    option C tetrahedral complexes are non centro symmetrical so all the tetrahedral complexes are laporte allowed here d5 configuration is absent so also spin allowed. so it gives most intense colour among all

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    Priyanshu kumar Best Answer

    option C

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    CoCl 42- gives more intense colour because it is laporte allowed transition and also spin allowed transition...so correct option in 'C'

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    A and D both are laporte forbidden

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    B is laporte partly allowed but spin forbidden

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    got anand?

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    sir hiw to see laporte forbidden or not, do we need term and symbol?

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    ok wait

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    see this notes

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