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Coordination Compounds question

2020 · 9 Jan · Shift 2 · Q20
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Coordination Compounds question

2020 · 9 Jan · Shift 2 · Q20

JEE MainChemistryCoordination CompoundsMCQ+4 / −1
The correct order of the spin-only magnetic moments of the following complexes is : (I) [Cr(H2O)6]Br2[Cr(H_2O)_6]Br_2[Cr(H2​O)6​]Br2​ (II) Na4[Fe(CN)6]Na_4[Fe(CN)_6]Na4​[Fe(CN)6​] (III) Na3[Fe(C2O4)3]Na_3[Fe(C_2O_4)_3]Na3​[Fe(C2​O4​)3​] (Δ\DeltaΔ 0 >\gt> P) (IV) (Et4N)2[CoCl4](Et_4N)_2[CoCl_4](Et4​N)2​[CoCl4​]
  1. A
    (III) > (I) > (II) > (IV)
  2. B
    (II) ≈\approx≈ (I) > (IV) > (III)
  3. C
    (III) > (I) > (IV) > (II)
  4. D
    (I) > (IV) > (III) > (II)
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