Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The metal d-orbitals that are directly facing the ligands in K3 [Co(CN)6 ] are 

  1. A

    dxy , dxz and dyz 

  2. B

    dxz , dyz and dz2

  3. C

    dx2 – y2 and dz2 

  4. D

    dxy and dx2 – y2

Solution

K3[Co(CN)6]

During splitting in octahederal co-ordination entities, dx2 – y2 and dz2 orbitals point towards the direction of ligands (i.e. they experience more repulsion and their energy is raised)

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