engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Chemical Sciences Coordination Compounds Spectral
The absorption spectrum of [Cr(NH3)6]3+ in water shows two bands around 475 and 365 nm. The ground term and the spin‐allowed transitions, respectively, are
1
4F; 4T1g(F) → 4T2g and 4T1g → 4A2g
2
4F; 4A2g → 4T2g and 4A2g → 4T1g(F)
3
2G; 2Eg → 2T1g and 2Eg → 2T2g
4
2F; 2A2g → 2T2g and 2A2g → 2T1g(F)