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Coordination Compounds question

2021 · 25 Jul · Shift 1 · Q1
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  5. /2021 · 25 Jul · Shift 1 · Q1

Coordination Compounds question

2021 · 25 Jul · Shift 1 · Q1

JEE MainChemistryCoordination CompoundsMCQ+4 / −1
Which one of the following species responds to an external magnetic field?
  1. A
    [Fe(H2O)6]3+[Fe(H_2O)_6]^{3+}[Fe(H2​O)6​]3+
  2. B
    [Ni(CN)4]2−[Ni(CN)_4]^{2-}[Ni(CN)4​]2−
  3. C
    [Co(CN)6]3−[Co(CN)_6]^{3-}[Co(CN)6​]3−
  4. D
    [Ni(CO)4][Ni(CO)_4][Ni(CO)4​]
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