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Coordination Compounds question

2008 · Shift 0 · Q19
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Coordination Compounds question

2008 · Shift 0 · Q19

JEE MainChemistryCoordination CompoundsMCQ+4 / −1
In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of Δo\Delta _oΔo​ be the highest?
  1. A
    [Co(CN)6]3−[Co(CN)_6]^{3-}[Co(CN)6​]3−
  2. B
    [Co(C2O4)3]3−[Co(C_2O_4)_3]^{3-}[Co(C2​O4​)3​]3−
  3. C
    [Co(H2O)6]3+[Co(H_2O)_6]^{3+}[Co(H2​O)6​]3+
  4. D
    [Co(NH3)6]3+[Co(NH_3)_6]^{3+}[Co(NH3​)6​]3+
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