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MCQEasyJEE Main 2025 · 3 April, Shift 1Crystal Field Theory

Chemistry Question from JEE Main 2025 · 3 April, Shift 1

The correct order of the complexes [Co(NH3)5(H2O)]3+[Co(NH_3)_5(H_2O)]^{3+} (A), [Co(NH3)6]3+[Co(NH_3)_6]^{3+} (B), [Co(CN)6]3−[Co(CN)_6]^{3-} (C), [CoCl(NH3)5]2+[CoCl(NH_3)_5]^{2+} (D) in terms of wavelength of light absorbed is:

  • A

    D >> A >> B >> C

  • B

    C >> B >> D >> A

  • C

    D >> C >> B >> A

  • D

    C >> B >> A >> D

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