What is crystal field splitting energy?

What is meant by crystal field splitting energy? On the basis of crystal field theory, write the electronic configuration of d^(4) in terms of t_(2g) and e_(g) in an octahedral field when (i) Delta_(0)gtP (ii) Delta_(0)ltP

What is meant by crystal field splitting energy? On the basis of crystal field theory, write the eelctrone configuration of d^(4) in terms of t_(2g)ande_(g) in an octahedral field when (i) Delta_(0)gtP (ii) Delta_(0)ltP

If the crystal field splitting energy of a tetrahedral complex (Delta _(l )) of the type [ML_(4)]^(n+) is x e V what is the crystal field splitting energy with respect to an octahedral complex [ML_(6)]^(n+)?

What is crystal field splitting among octahedral and tetrahedral crystal fields? In which case, the magnitude of crystal field splitting is larger?

The complex that has highest crystal field splitting energy ( triangle ), is:

The complex that has highest crystal field splitting energy ( triangle ), is: