In case of octahedral compex, if the e_(g) orbitals (d_(x^(2) - y^(2)) " and " d_(z^(2))) are asymmetricaaly filled, their degeneracy is destroyed and the ligands approaching along +Z and -Z directions experiences different amount of repulsions than the ligands approaching along the +X, -X, +Y " and " -Y directions. As a result, the symmetrical nature of such complexes is lost and either elongation or compression along Z-axis taken place. Answer the following three questions based on the above situation. Which of the following is incorrect regarding K_(4) [Cr F_(6)] ?

In case of octahedral compex, if the e_(g) orbitals (d_(x^(2) - y^(2))

1.	In case of octahedral compex, if the e_(g) orbitals (d_(x^(2) - y^(2)) " and " d_(z^(2))) are asymmetricaaly filled, their degeneracy is destroyed and the ligands approaching along +Z and -Z directions experiences different amount of repulsions than the ligands approaching along the +X, -X, +Y " and " -Y directions. As a result, the symmetrical nature of such complexes is lost and either elongation or compression along Z-axis taken place. Answer the following three questions based on the above situation. Which of the following is incorrect regarding K_(4) [Cr F_(6)] ?
Answer» It has two long and FOUR short `CR-F` bonds It has four long and two short `Cr-F` bonds SPIN only magnetic moment of the COMPLEX is approximately `4.9 Bm` If `Cr` is replaced by `Cu`, similar types of deformation in the regular octahedral geometry are observed Answer :B