Q. 11

Write the state o

Answer :

Electronic configuration of Ni: [Ar]3d84s2

Electronic configuration of Ni2+: [Ar]3d84s0

3d8 4s 4p

CN- is a strong field ligand, so pairing of electrons takes place

There are 4 CN- so the 4 pairs of electrons occupy one ‘d’, one ‘s’ and two ‘p’, hence the hybridization dsp2.

Shape: square planar geometry

IUPAC name: tetracyanonikelate(II)

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