Co-ordination compounds practice · Mixed difficulty

Metal carbon bond is strongest in

The hardness of water is estimated by:

Complex $X$ of composition $Cr{\left( {{H_2}O} \right)_6}C{l_n}$ has a spin only magnetic moment of 3.83 BM. It reacts with $AgN{O_3}$ and shows geometrical isomerism. The IUPAC nomenclature of $X$ is

For the following molecules; if $x$ is the total number of $p$-orbitals used in hybridisation of each central atom, then what is the value of $\frac{\sum {x}}{6}$ ?

${XeO}_2 {~F}_2, {~B}_2 {H}_6,\left[{NiCl}_4\right]^{-2},\left[{PtCl}_4\right]^{-2}, {~N}\left({SiH}_3\right)_3, {H}_3 {BO}_3$

The IUPAC name for the complex $\left[ {\mathrm{Co}\left( {\mathrm{N}{\mathrm{O}_2}} \right){{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_5}} \right]\mathrm{C}{\mathrm{l}_2}$ is

The compound having the lowest oxidation state of iron is

Among the following complexes ($A-F$),
$\begin{aligned} & {K}_3\left[{Fe}({CN})_6\right] ({A}),\left[{Co}\left({NH}_3\right)_6\right] {Cl}_3 (B)\\ & {Na}_3\left[{Co}(\text { oxalate })_3\right]({C}),\left[{Ni}_2\left({H}_2 {O}\right)_6\right] {Cl}_2 (D),\\ & {~K}_2\left[{Pt}({CN})_4\right]({E}) \text { and }\left[{Zn}\left({H}_2 {O}\right)_6\right]\left({NO}_3\right)_2({~F}) \end{aligned}$

The diamagnetic complexes are:

$[{EDTA}]^{4-}$ is a

The IUPAC name of $\mathrm{N}{\mathrm{a}_3}\left[ {\mathrm{Co}{{\left( {\mathrm{ONO}} \right)}_6}} \right]$ is:

Among the ligands $N{H_3},en,C{N^ - }and\,CO,$ the correct order of their increasing field strength, is

Which one is organometalllic compound?

Which of the following shell, form an outer octahedral complex?

Which among the following statements are true for the complex $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]\left[\mathrm{Cr}(\mathrm{CN})_6\right]$?
(a) It is anon electrolyte
(b) The magnitude of the charge on each complex ion is 3
(c) The complex will not conduct current.
(d) The complex will exhibit coordination isomerism
(e) The magnitude of the charge on each complex ion is 1

The total number of possible isomers of the complex compound $\left[{Cu}^{\mathrm{II}}\left({NH}_3\right)_4\right]\left[{Pt}^{\mathrm{II}} {Cl}_4\right]$ is

For a ${d^4}$ metal ion in an octahedral field, the correct electronic configuration is

The shortest $\mathrm{C} - \mathrm{O}$ bond order exists in:

${K}_4\left[{Fe}({CN})_6\right]$ reacts with ${FeCl}_3$ to form:

The IUPAC name of ${\mathrm{K}_2}\left[ {\mathrm{Cr}{{\left( {\mathrm{CN}} \right)}_2}{\mathrm{O}_2}\mathrm{\;}{{\left( \mathrm{O} \right)}_2}\left( {\mathrm{N}{\mathrm{H}_3}} \right)} \right]\mathrm{\;}$ is

Assertion : In a mixture of ${\text{Cd(II)}}$ and ${\text{Cu(II)}}$, ${\text{(C}}{{\text{d}}^{ + 2}}{\text{)}}$ gets precipitated in presence of $\mathrm{KCN}$ by H2S.

Reason : The stability constant of ${\left[ {{\text{(Cu(CN}}{{\text{)}}_{\text{4}}}} \right]^{ - 3}}$ is greater than ${\left[ {{\text{(Cu(CN}}{{\text{)}}_{\text{4}}}} \right]^{ - 2}}$

Lithium tetrahydridoaluminate is correctly represented as: