3 questions from 2021
The pair(s) of complexes wherein both exhibit tetrahedral geometry is(are):\( (\text{Note: py = pyridine}) \)\( \text{Given: Atomic numbers of Fe, Co, Ni and Cu are } 26, 27, 28 \text{ and } 29, \text{ respectively} \)
The total number of possible isomers for \( [\text{Pt}(\text{NH}_3)_4\text{Cl}_2]\text{Br}_2 \) is \( \_\_\_\_\_ \).
The calculated spin only magnetic moments of \( [\mathrm{Cr(NH_3)_6}]^{3+} \) and \( [\mathrm{CuF_6}]^{3-} \) in \( \text{BM} \), respectively, are: (Atomic numbers of \( \mathrm{Cr} \) and \( \mathrm{Cu} \) are \( 24 \) and \( 29 \), respectively)