The complexes $[Co(NH_3)_5Br]SO_4$ and $[Co(NH_3)_5SO_4]Br$ are examples of which type of isomerism?

The calculated magnetic moments (spin only value) for species $[FeCl_{4}]^{2-}$,$[Co(C_{2}O_{4})_{3}]^{3-}$ and $MnO_{4}^{2-}$ respectively are ..... .

The spin-only magnetic moment value for the complex $[Co(CN)_6]^{4-}$ is $...... \ BM$ [At. no. of $Co=27$]

Consider the following isomers of $[Cr(NH_3)_2 Cl_4]^-$ and identify the correct classification of these isomers as $cis$ or $trans$.

$[(C_6H_5)_2 Pd (SCN)_2]$ and $[(C_6H_5)_2 Pd (NCS)_2]$ are :

What is the spin-only magnetic moment (in Bohr Magneton units) of $Ni^{2+}$ in an aqueous solution? (Atomic number of $Ni = 28$)