Q.

Which of the following complex is inner orbital as well as low spin complex?

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a

CrH2O63+

b

Fe(CN)63−

c

Cu(CN)43−

d

MnNH362+

answer is B.

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Detailed Solution

CrIIIH2O63+; Hybridisation: d2sp3Inner orbital complexFe+III(CN)63−;P<Δ0: Hybridisation: d2sp3Inner orbital / low spin / spin paired complex.Cu+I(CN)43−; Hybridisation : sp3MnH2O62+P<Δ0: Hybridisation: sp3d2Outer orbital / high spin / spin free complex
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