Coordination Compounds Questions

The IUPAC name of the coordination compound ${\text{K}}_3[\text{Fe}(\text{CN}{)}_6]$ is:

Which of the following compounds shows optical isomerism?

Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?

The value of the 'spin only' magnetic moment for one of the following configurations is $2.84\text{BM}$. The correct one is:

The oxidation state of $\text{Cr}$ in $[\text{Cr}({\text{NH}}_3{)}_4{\text{Cl}}_2{]}^{+}$ is:

How many $\text{EDTA}$ (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a ${\text{Ca}}^{2+}$ ion?

Which one of the following has a square planar geometry?

The “spin-only” magnetic moment [in units of Bohr magneton, (${\mu }_B$)] of ${\text{Ni}}^{2+}$ in aqueous solution would be (Atomic number of $\text{Ni}=28$):

In ${\text{Fe(CO)}}_5$, the $\text{Fe}-\text{C}$ bond possesses:

Nickel ($Z=28$) combines with a uninegative monodentate ligand ${\text{X}}^{-}$ to form a paramagnetic complex $[{\text{NiX}}_4{]}^{2-}$. The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively:

The IUPAC name for the complex $[\text{Co}({\text{NO}}_2)({\text{NH}}_3{)}_5]{\text{Cl}}_2$ is:

Which of the following has an optical isomer?

Which of the following pairs represents linkage isomers?

A solution containing $2.675\text{g}$ of ${\text{CoCl}}_3\cdot 6{\text{NH}}_3$ (molar mass $=267.5{\text{g mol}}^{-1}$) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of ${\text{AgNO}}_3$ to give $4.78\text{g}$ of $\text{AgCl}$ (molar mass $=143.5{\text{g mol}}^{-1}$). The formula of the complex is (At. Mass of $\text{Ag}=108\text{u}$):

Which one of the following has an optical isomer? (en = ethylenediamine)

Which of the following facts about the complex $[\text{Cr}({\text{NH}}_3{)}_6]{\text{Cl}}_3$ is wrong?

The magnetic moment (spin only) of $[{\text{NiCl}}_4{]}^{2-}$ is:

Which among the following will be named as dibromidobis(ethylenediamine)chromium(III) bromide?