CBSE Class 12-science Answered
Giving a suitable example for each, explain the following:
i. Crystal field splitting
ii. Linkage isomerism
iii. Ambidentate ligand
or
Compare the following complexes with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units?
(At. Nos.: Co =27, Cr=24, Ni = 28)
(At. Nos.: Co =27, Cr=24, Ni = 28)
Asked by Topperlearning User | 22 Jun, 2016, 11:48: AM
Expert Answer
(i) The splitting of the degenerate d orbitals into eg and t2g orbitals due to the presence of ligands in a definite geometry is called crystal field splitting. It is denoted by 
.
(ii) Linkage isomerism arises in coordination compounds containing ambidentate ligands in which two different atoms of the same ligand can form coordinate bond with metal ion.
(iii) Ligands which can bind the central metal atom through two different atoms are called ambidentate ligands.
Example: SCN- ,NCS-
Or
Structural shape - Octahedral
Hybrid Orbitals- d2sp3
Magnetic behaviour- Diamagnetic
Structural shape - Octahedral
Hybrid Orbitals- d2sp3
Magnetic behavior - Paramagnetic
Structural shape- tetrahedral
Hybid orbitals- sp3
Magnetic behaviour- Diamagnetic
Answered by | 22 Jun, 2016, 01:48: PM
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