1.

A d-block element forms octahedral complex but its magnetic moment remains same either in strong field or in weak field ligand. Which of the following is/are correct ?

Answer»

Element always forms colourless compound
Number of electrons in `t_(2_(G))` orbitals are higher than in `e_(g)` orbitals
It can have either `d^(3)` or `d^(8)` configuration
It can have either `d^(7)` or `d^(8)` configuration

Solution :* For `d^(3)` configuration :
In strong ligand field : `t_(2)^(3)EG^(0)` : In WEAK ligand field `:t_(2g)^(3)eg^(0)`
* For `d^(8)` configuration :
In strong ligand field : `t_(2g)^(6)eg^(2)` , In weak ligand field : `t_(2g)^(6)eg^(2)`


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