Cordination Compound Test

Cordination Compound

This is cordination compound Test-01 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

Which among the following is an ambidentate ligand?

A
Nitro
Correct
B
Acetate
C
Oxalate
D
Carbonyl

Which of the following represents chelating ligand?

A
$Cl^ –$
B
DMG
Correct
C
$OH^ –$
D
$H_2O$

Ligand en is an example of

A
Tridentate ligand
B
Bidentate ligand
Correct
C
Hexadentate ligand
D
Monodentate ligand

A group of atoms can function as a ligand only when

A
It is a small molecule
B
It is a positively charged ion
C
It is a negatively charged ion
D
It is capable of acting as donor of electron pair
Correct

The coordination number of Cr in $\left[ {Cr{{\left( {N{H_3}} \right)}_3}{{\left( {{H_2}O} \right)}_3}} \right]C{l_3}$is

A
2
B
6
Correct
C
3
D
4

The oxidation number of Fe in ${K_4}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$is

A
1
B
0
C
3
D
2
Correct

Which of the following is most likely structure of $CrC{l_3}.6{H_2}O$ if 1/3 of total chlorine of the compound is precipitated by adding AgNO3 to its aqueous solution?

A
$\left[ {CrCl.{{\left( {{H_2}O} \right)}_5}} \right]C{l_2}.{H_2}O$
B
$\left[ {Cr{{\left( {{H_2}O} \right)}_3}C{l_3}} \right]{\left( {{H_2}O} \right)_3}$
C
$\left[ {CrC{l_2}{{\left( {{H_2}O} \right)}_4}} \right]Cl.2{H_2}O$
Correct
D
$CrC{l_3}.6{H_2}O$

The coordination number of the central ion may be obtained from

A
The number of coordinate bonds formed with the surrounding ions
Correct
B
None of these
C
The number of ions of opposite charge immediately surrounding the specific ion
D
The number of ionic bonds formed with the surrounding ions

Which of the following complex will give white precipitate with barium chloride solution?

A
$\left[ {Co{{\left( {N{H_3}} \right)}_4}C{l_2}} \right]N{O_2}$
B
$\left[ {Cr{{\left( {N{H_3}} \right)}_5}S{O_4}} \right]Cl$
C
Both (a) and (b)
D
$\left[ {Cr{{\left( {N{H_3}} \right)}_5}Cl} \right]S{O_4}$
Correct

The IUPAC name $\left[ {CoCl\left( {N{O_2}} \right){{\left( {en} \right)}_2}} \right]Cl$ is

A
Bis(ethylenediamine)chloronitrocobalt(III)chloride
B
Chloridobis(ethylenediamine)nitrito – N – cobalt(III) chloride
Correct
C
Chloridonitrobis(ethylenediamine)cobalt(III)chloride
D
Chloridonitrobis(ethylenediamine)cobalt(II)chloride

In which of the following compounds the oxidation state of the nickel atom is 0?

A
$KNiC{l_3}$
B
$Ni{\left( {CO} \right)_4}$
Correct
C
$\left[ {Ni{{\left( {N{H_3}} \right)}_6}} \right]C{l_2}$
D
$Ni{\left( {P{F_3}} \right)_4}$

What is the coordination number of chromium in [Cr(NH3)2(H2O2)2]Cl3?

A
4
Correct
B
5
C
3
D
6

Which of the following is non – ionizable?

A
$\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]C{l_2}$
B
$\begin{array}{*{20}{l}} {\left[ {Co{{\left( {N{H_3}} \right)}_3}C{l_3}} \right]} \end{array}$
Correct
C
$\left[ {Co{{\left( {N{H_3}} \right)}_4}C{l_2}} \right]Cl$
D
$Co{\left( {N{H_3}} \right)_5}Cl]C{l_2}$

Which of the following pair contains complex salt and double salt respectively?

A
$\left[ {Cu{{\left( {N{H_3}} \right)}_4}} \right]S{O_4},FeS{O_4}.7{H_2}O$
B
$MgS{O_4}.7{H_2}O,{\text{ }}CuS{O_4}$
C
Correct
D
$FeS{O_4},{K_4}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$

In which of the following compounds, the metal is in the lowest oxidation state?

A
$F{e_3}{\left[ {Fe{{\left( {CN} \right)}_6}} \right]_2}$
B
$K\left[ {PtC{l_3}\left( {{C_2}{H_4}} \right)} \right]$
C
$\begin{array}{*{20}{l}} {M{n_2}{{\left( {CO} \right)}_{10}}} \end{array}$
Correct
D
${\left[ {Co{{\left( {N{H_3}} \right)}_5}Br} \right]_2}S{O_4}$