Coordination Compounds

$\text { Two isomers of }\left[\mathrm{CoCl}_3\left(\mathrm{NH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NHCH}_2 \mathrm{CH}_2 \mathrm{NH}_2\right)\right] \text { are shown below }$ $\text { The correct statement about…

The CFSE (in Dq) and the spin only magnetic moment $(S)$ of metal ions in an octahedral environment is plotted below as a function of number of electrons The correct statement(s) is(are):

Consider the following complex ions: $[\text{Ni(CN)}_4]^{2-}$, $[\text{Fe(CN)}_6]^{3-}$, $[\text{Cu(H}_2\text{O)}_6]^{2+}$, and $[\text{Co(CN)}_6]^{3-}$. The complex ions that are expected to show diamagnetic behavior…

The increasing order of acidic strength for the aqua complexes $[\text{V(H}_2\text{O)}_6]^{2+}$, $[\text{Fe(H}_2\text{O)}_6]^{2+}$, $[\text{Fe(H}_2\text{O)}_6]^{3+}$, and $[\text{Co(H}_2\text{O)}_6]^{3+}$ is:

The metal ion that does not form a stable metal carbonyl complex is

A first-row transition metal dipositive ion forms an octahedral aqua complex $\mathbf{P}$, which is paramagnetic. The addition of excess ammonia to $\mathbf{P}$ gives $\mathbf{Q}$, which also is paramagnetic. Adding…

The number of geometrical isomers possible for the complex $\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_2\left(\mathrm{H}_2 \mathrm{O}\right)_2 \mathrm{Cl}_2\right]^{+}$ is

Consider the coordination compounds $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+},\left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+},\left[\mathrm{Co}\left(\mathrm{H}_2…

Cobalt(III) chloride on reaction with ammonia yields an octahedral compound $\mathbf{X}$, which exists in two isomeric forms, one colored green and the other violet. Further, conductivity studies of $\mathbf{X}$ in…

The spin only magnetic moment of a manganese (atomic number 25) amine complex is 2.83 BM . The oxidation state of Mn in the complex is

Negatively charged monodentate strong field ligand $\left(\mathrm{X}^{-}\right)$and weak field ligand $\left(\mathrm{Y}^{-}\right)$form complexes $\left[\mathrm{MnX}_6\right]^{4-}$ and…

The largest crystal field stabilization energy is for