Co-ordination compounds practice · Mixed difficulty

Complexes with bidentate ligands are called:

The colour of $\mathrm{CoC}{\mathrm{l}_3} \cdot 5\mathrm{N}{\mathrm{H}_3} \cdot {\mathrm{H}_2}\mathrm{O}$ is:

In the complex ion $[\mathrm{Fe}(\mathrm{EDTA})]^{-}$, the coordination number and oxidation state of central metal ion is

Which ion is paramagnetic?

Choose the option which show correct preferential order of groups among the following

Assertion: ${C}-{C}$ bond length in zeise's salt is same as ethylen.

Reason: Double bond is shorter as compaire to single bond.

The effective atomic number of $Cr\mathrm{ }\left( {\mathrm{At}\mathrm{. No}\mathrm{.} = 24} \right)\mathrm{in }\left[ {\mathrm{Cr}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_6}} \right]\mathrm{C}{\mathrm{l}_3}\mathrm{\;}$ is

The donar sites of $\mathrm{[EDTA}]^{-4}$ are:

How many unpaired electrons are present in $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{NO}\right] \mathrm{SO}_4$ complex?

Which of the following statements are correct?

(i) Square planar complexes of $MABXL$ type show three isomers-two cis and one trans.

(ii) Complexes of ${Ma}_3 {B}_3$ type show three isomers-two cis and one trans.

(iii) Optical isomerism is common in octahedral complexes involving bidentate ligands.

(iv) $\left[{Co}\left({NH}_3\right)_4 {Cl}\left({NO}_2\right)\right] {Cl}$ show linkage isomerism.

(v) Hydrate isomerism is another name of solvate isomerism.

$\left[ {\mathrm{Co}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_6}} \right]\mathrm{C}{\mathrm{l}_3}$ is called:

Which of the following complex species is not expected to exhibit optical isomerism?

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

For kinetic study of the reaction of iodide ion with $\mathrm{H}_2 \mathrm{O}_2$ at room temperature :

(A) Always use freshly prepared starch solution.

(B) Always keep the concentration of sodium thiosulphate solution less than that of $\mathrm{KI}$ solution.

(C) Record the time immediately after the appearance of blue colour.

(D) Record the time immediately before the appearance of blue colour.

(E) Always keep the concentration of sodium thiosulphate solution more than that of $\mathrm{KI}$ solution.

Choose the correct answer from the options given below:

Which order is correct in spectrochemical series of ligands?

The compound which does not show paramagnetism is

The shape of Wilkinson’s catalyst is

The hybridization of central metal ion and shape of Wilkinson’s catalyst is

Which of the following ions forms most stable complex compound?

The ligand called $\pi$ acid is :

CO ligand is

Octahedral complexes of copper(II) undergo structural distortion (Jahn-Teller). Which one of the given copper(II) complexes will show the maximum structural distortion?

(en - ethylenediamine; $\mathrm{H}_2 \mathrm{~N}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{NH}_2$ )

${\mathrm{K}_3}\left[ {\mathrm{Al}{{\left( {{\mathrm{C}_2}{\mathrm{O}_4}} \right)}_3}} \right]$ is called:

Which of the following is potassiumferricyanide?

Which have octahedral shape $({d^2}s{p^3})$ hybridization of central atom?

Which is not true of the coordination compound $\left[ {\mathrm{Co}{{\left( {\mathrm{en}} \right)}_2}\mathrm{C}{\mathrm{l}_2}} \right]\mathrm{Cl}$?

$\left[ {\mathrm{Co}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_5}\mathrm{Br}} \right]\mathrm{S}{\mathrm{O}_4}\mathrm{\;}$ and $\left[ {\mathrm{Co}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_5}\mathrm{S}{\mathrm{O}_4}} \right]$$\mathrm{Br}$ are examples of which type of isomerism?

The correct increasing order of trans-effect of the following species is

Which of the following will give maximum number of isomers?

Which of the following does not have optical isomer?