Q.

In which complex, dz2 orbital of inner shell is not used in the hybridization of central metal cation?

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a

Fe(CO)5

b

CuNH352+

c

CoNH362+

d

IrF63−

answer is B.

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Detailed Solution

CuNH352+→ geometry with C. N.=5 is sq. pyramidal, dsp3 hybridisation and dx2−y2 orbital is used in hybridisation.(a) Fe(CO)5→dz2sp3 (c) CoNH362+→d2sp3  (d) IrF63−→d2sp3
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