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NEET-XII-Chemistry

Previous Year Paper year:2018

with Solutions - page 3
Qstn# 85 Prvs-QstnNext-Qstn
  • #85
    The geometry and magnetic behaviour of the
    complex [``Ni(CO)_4``] are
    (1) square planar geometry and diamagnetic
    (2) tetrahedral geometry and diamagnetic
    (3) square planar geometry and paramagnetic
    (4) tetrahedral geometry and paramagnetic
    digAnsr:   2
    Ans : (2)
    Sol. tetrahedral geometry and diamagnetic
    Ni 3d8 4s2
    CO is SFL so unpaired electrons will get paired.
    CO CO CO CO
    sp3 hybridisation
    Tetrahedral, diamagnetic