First slide

Aplicaitons of VBT

Question

For which of the following complex hybridization of central ion is always $d^{2} {sp}^{3}$ irrespective of the strength of the ligand for the octahedral complex?

Moderate

A

${Mn}^{+ 2}$
B

${Cr}^{+ 3}$
C

${Fe}^{+ 3^{}}$
D

${Co}^{+ 3}$

Solution

For the octahedral complexes with $d^{1}, d^{2}, d^{3}$ configuration,the hybridization is always $d^{2} {sp}^{3}$ ;
Rearrangement never occurs irrespective of the field strength of ligand;
${Cr}^{+ 3} . . . 3 d^{3}$

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