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Coordination Compounds question

2020 · 7 Jan · Shift 2 · Q2
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Coordination Compounds question

2020 · 7 Jan · Shift 2 · Q2

JEE MainChemistryCoordination CompoundsMCQ+4 / −1
Among the statements(a)-(d) the incorrect ones are : (a) Octahedral CO(III) complexes with strong fields ligands have very high magnetic moments. (b) When Δ\DeltaΔ 0 < P, the d-electron configuration of Co(III) in an octahedral complex is teg4eg2t_{eg}^4e_g^2teg4​eg2​(c) Wavelength of light absorbed by [Co(en)3]3+[Co(en)_3]^{3+}[Co(en)3​]3+ is lower than that of [CoF6]3−[CoF_6]^{3-}[CoF6​]3− (d) If the Δ\DeltaΔ 0 for an octahedral complex of CO(III) is 18,000 cm-1, the Δ\DeltaΔ t for its tetrahedral complex with the same ligand be 16,000 cm-1
  1. A
    (a) and (b) only
  2. B
    (b) and (c) only
  3. C
    (c) and (d) only
  4. D
    (a) and (d) only
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