Co-ordination compounds practice · Mixed difficulty

Assertion: The ligands nitro and nitrito are called ambidentate ligands.

Reason: These ligands give linkage isomers.

Among the following metal carbonyls, $\mathrm{C} - \mathrm{O}$ bond order is lowest in

Which of the following statements is not correct?

In which of the following compound, C – O bond length is maximum

The IUPAC name of $\mathrm{K}_3\left[\operatorname{Ir}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]$ is

Assertion: $\left({Ph}_3 P\right)_3 {RhCl}$ is Wilkinson's catalyst.
Reason: $\left({Ph}_3 {P}\right)_3 {RhCl}$ can show optical isomerism but does not show geometrical isomerism.

Spin only magnetic moment of which complex is highest?

Which among the following doesn't form a white precipitae with ${AgNO}_3$ solution?

The IUPAC name of the complex ion formed when gold dissolves in aqua-regia is

Which of the following complex has highest $\mathrm{C}-\mathrm{O}$ bond energy?

Which of the following ligand is tridentate type?

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

Coordination number of $\mathrm{Co}$ in the complex $\left[\mathrm{Co}(\mathrm{en})_3\right]^{3 *}$ is

Number of ions for the complex $\left[{Co}\left({CH}_3\right)_4 {Cl}\right] {Cl}_2$ shown by the conductivity measurement, is

Which of the following complexes will have four different isomers?

Which of the following is not correctly matched?

$\begin{array}{cccccccccccccccccccc} {}&{{\text{Coordination}}\,{\text{polyhedron}}}&{{\text{Shape}}} \\ {{\text{(A)}}}&{{{{\text{[Co(N}}{{\text{H}}_{\text{3}}}{{\text{)}}_{\text{6}}}{\text{]}}}^{{\text{3 + }}}}}&{{\text{Octahedral}}} \\ {{\text{(B)}}}&{{\text{[Ni(CO}}{{\text{)}}_{\text{4}}}{\text{]}}}&{{\text{Square}}\,{\text{planar}}} \\ {{\text{(C)}}}&{{{{\text{[PtC}}{{\text{l}}_{\text{4}}}{\text{]}}}^{{\text{2 - }}}}}&{{\text{Tetrahedral}}} \end{array}$

Amongst the following statements.

I: The structure of $\left[\mathrm{BrF}_4\right]^{+}$ is regular tetrahedral

II: Bond order of $\mathrm{O}_2$ decreases by the removal of an electron

III: $\mathrm{Br}_3^{-}$ and $\mathrm{Br}_3^{+}$ are having same shape and same structure

IV Hybrid orbital of P in $\mathrm{PCl}_5$ is $\mathrm{sp}^3 \mathrm{d}_{\mathrm{xy}}$.

The incorrect statements is/ are

Assertion :- cis-3-bromo propenoic acid is more stable than its trans form.

Reason :- Dipole moment of cis form is greater than trans form.

Which of the following is false?

Assertion :- Organic compounds which do not contain chiral carbon atoms can be optically
active.

Reason :-Presence of chiral carbon is an essential condition for optical activity.

The $\left[{Fe}({CN})_6\right]^{3-}$ complex ion

Wrong match is

The increasing order of crystal field splitting strength of the given ligands is

The crystal field stabilization energy (CFSE) is highest for

Statement I: Under the influence of a strong field ligand, $d^7$-system will have only one unpaired electron either in coordination number six or four

Statement II: $\mathrm{t}_{2 \mathrm{~g}}{ }^6 \mathrm{e}_{\mathrm{g}}{ }^1$ is the electronic configuration for both cases

The oxidation state of platinum in ${Na}\left[{PtBrCl}\left({NO}_2\right)\left({NH}_3\right)\right]$ is

Among the following pairs of complexes, in which case the $\Delta_0$ value is higher for the first one?

The most stable ion is

According to valence bond theory which of the following statement is correct about the complexes ${Ni}({CO})_4$ and $\left[{Ni}({CN})_4\right]^{2-}$ if both are diamagnetic in nature

According to $CFT$, both high-spin and low-spin octahedral complexes are not possible for the configuration.