Co-ordination compounds practice · Mixed difficulty

Consider the following statements
I. Chain and position isomerism are not possible together between two isomers
II. Tautomerism is a chemical phenomenon which is catalysed by acid as well as base
III. Tautomers are always metamers
IV. Tautomers are always functional isomers
Select the correct answer by using the codes given below

The common name of ${K}\left[{PtCl}_3\left(n^2 {C}_2 {H}_4\right)\right.]$ is

A certain complex ion has the formula $\left[M(\mathrm{en})_2 \mathrm{Br}_2\right]^{+}$where $M$ is the metal ion and en $=$ ethylene diamine. How many isomers are possible for this ?

In an octahedral geometry, the pair of ${d}$ orbitals involved in ${d}^2 {sp}^3$ hybridization is:

Chromium carbonyl is:

The EAN of platinum in potassium hexachloroplatinate (IV) is:

$\mathrm{F}{\mathrm{e}_2}{\left( {\mathrm{CO}} \right)_9}$ is diamagnetic. Which of the following reasons is correct?

Spin only magnetic moment value of ${\left[ {Mn{{\left( {CN} \right)}_6}} \right]^{3 - }}$ ion is

$\left[ {\mathrm{Co}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}\mathrm{C}{\mathrm{l}_2}} \right]$ possesses:

Which of the following is colorless?

Which one of the following has a square planar geometry?
$\left( {At.\mathrm{ }No.\mathrm{ }Fe = 26,\mathrm{ }Co = 27,\mathrm{ }Ni = 28,\mathrm{ }Pt = 78} \right)$

The IUPAC name of ${\left[ {\mathrm{Ni}{{\left( {\mathrm{PP}{\mathrm{h}_3}} \right)}_2}\mathrm{C}{\mathrm{l}_2}} \right]^{2 + }}$ is

Dimethyl glyoxime forms a coloured complex with

Wilkinson’s catalyst, ${\left( {\mathrm{P}{\mathrm{h}_3}\mathrm{P}} \right)_3}\mathrm{RhCl}$ is used for

Arrange the following cobalt complexes in the order of increasing crystal field stabilization energy (CFSE) value. Complexes
$\mathop {{{\left[ {Co{F_6}} \right]}^{3 - }}}\limits_{(A)} ,\,\,\,\mathop {{{\left[ {Co{{\left( {{H_2}O} \right)}_6}} \right]}^{3 + }}}\limits_{(B)} ,\,\,\,\,\mathop {{{\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]}^{3 + }}}\limits_{\left( C \right)} \,\,\mathrm{and}\,\,\mathop {{{\left[ {Co{{\left( {en} \right)}_3}} \right]}^{3 + }}}\limits_{\left( D \right)}$
Choose the correct option.

The equation which is balanced and represents the correct product(s) is

Assertion : If in ${\left[ {{\text{Co(N}}{{\text{H}}_3}{{\text{)}}_{\text{6}}}} \right]^{ + 3}}\,,\,{\text{N}}{{\text{H}}_{\text{3}}}$ is replaced by ${{\text{H}}_{\text{2}}}{\text{O}}$, same wave1ength will be absorbed by the complex :

Reason : It is a high spin species.

A complex of platinum, ammonia and chlorine produces four ions per molecule in the solution. The structure consistent with the observation is:

The magnetic moment (in B.M.) of complex $\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_{\mathrm{6}}\right]^{3+}$ is

The oxidation state of $\mathrm{Mo}$ in its oxo-complex species ${\left[ {\mathrm{M}{\mathrm{o}_2}{\mathrm{O}_4}{{\left( {{\mathrm{C}_2}{\mathrm{H}_4}} \right)}_2}{{\left( {{\mathrm{H}_2}\mathrm{O}} \right)}_2}} \right]^{2 - }}\,\mathrm{is}$

In $\mathrm{Cr}{\left( {\mathrm{N}{\mathrm{H}_3}} \right)_4}\mathrm{C}{\mathrm{l}_2}]\mathrm{Cl}$ the ligands are:

The coordination number of $Cr$ in $\left[ {\mathrm{Cr}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_3}{{\left( {{\mathrm{H}_2}\mathrm{O}} \right)}_3}} \right]\mathrm{C}{\mathrm{l}_3}\,\mathrm{is}:$

The complex ion which has no ‘d’-electron in the central metal atom is:

Which of the following 0.1 M complex compound solutions will have the minimum electrical conductivity?

When ammonia is added to green aqueous solution of nickel(II) sulphate, the colour of the solution changes to blue violet. This is caused by:

Which of the following statements is correct?

Which of the following compound is not colored?

The magnetic moment is measured in Bohr Magneton (BM).

Spin only magnetic moment of $\mathrm{Fe}$ in $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ and $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$ complexes respectively is:

Which of the following complexes will show geometrical as well as optical isomerism? (en $=$ethylene diamine)

Which statement is not correct in the case of ${\left[ {\mathrm{Co}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_6}} \right]^{3 + }}$ complex?