1.

The magnitude of crystal stabilization energy (CFSE or Delta_(t)) in tetrahedral complexes is considerably less than in the octahedral field. Because

Answer»

There are only four ligands instead of six so the ligand field is only 2/3 the size hence the `Delta_(t)` is only 2/3 the size
The direction of the ORBITALS does not coincide with the direction of the ligands. This reduces the CRYSTAL field stabilization energy `(Delta_(t))` by further 2/3
Both points (a) and (b) are correct
Both points (a) and (b) are wrong

Solution :CFSE in case of TETRAHEDRAL complexes is less than the OCTAHEDRAL field due to the points (a) and (b).


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