[Ni(CN)4]2− is diamagnetic. Its hybridisation and geometry are
[Ni(CN)4]2− is diamagnetic. Its hybridisation and geometry are
A. d2sp3, octahedral
B. sp3, tetrahedral
C. sp3d2, octahedral
D. dsp2, square planar
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Answer: D. dsp2, square planar
Ni2+ is 3d8. Strong-field CN− pairs the electrons, leaving one 3d orbital free for dsp2 (square planar, diamagnetic).
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· 23 Oct 2026
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