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Question

Na2S+XNa2[Fe(CN)5(NOS)]purplecolor.

Find the number of e(s) in non-axial d-orbitals.

A
3
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B
5
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C
6
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D
7
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Solution

The correct option is B 6
here X is,
Na2[Fe(CN)5(NO)]
+2 +1
so Fe+2=d6 , due to strong ligand pairing happens and low spin complex forms.
So it have zero unpaired electron and zero magnetic moment.
Also, as electron gets paired so it have 6 electron in non axial d-orbitals.
And color of compoud is due to charge transfer.
Hence, the correct option is C.

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