$[Pt(NH_3)_4Cl_2]Br_2$ and $[Pt(NH_3)_4Br_2]Cl_2$ are related to each other as

Explain why $[Fe(H_{2}O)_{6}]^{3+}$ has a magnetic moment value of $5.92 \ BM$ whereas $[Fe(CN)_{6}]^{3-}$ has a value of only $1.74 \ BM$.

Complex compound$(s)$ having an even number of space (stereo) isomers is/are :
(where $AA^{-}$ is a symmetrical bidentate ligand and $a, b, c, d, e$ are monodentate ligands)

Which of the following metal ions will form complexes with the same magnetic moment and geometry irrespective of the nature of ligands?

The number of geometric isomers possible for the complex $[CoL_2 Cl_2]^{-}$ where $L = H_2NCH_2CH_2O^{-}$ is

The type of isomerism present in pentaammine nitro chromium$(III)$ chloride is