Using valence bond theory, explain the following in relation to the complexes given below:
[Mn(CN)₆]³⁻ , [Co(NH³)₆]³⁺, [Cr(H2O)₆]³⁺ , [FeCl₆]⁴⁻
(i) Type of hybridisation.
(ii) Inner or outer orbital complex.
(iii) Magnetic behaviour.
(iv) Spin only magnetic moment value.