Cordination Compound Test

Cordination Compound

This is cordination compound Test-04 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
According to Werner’s theory, the secondary valences of the central atom correspond to its
  • A
    Oxidation number
  • B
    Coordination number
    Correct
  • C
    EAN
  • D
    None of these
2
${K_3}Co{F_6}$ is high spin complex. What is the hybrid state of Co atom in this complex?
  • A
    $s{p^3}{d^2}$
    Correct
  • B
    ${d^2}s{p^3}$
  • C
    $ds{p^2}$
  • D
    $s{p^3}d$
3
Tetraaminecopper(II) ion is a square planar complex with one unpaired electron. According to valence bond theory the hybrid state of copper should be
  • A
    ${d^2}s{p^3}$
  • B
    $dsp^2$
    Correct
  • C
    $dsp^2$
  • D
    $sp^3$
4
The IUPAC name of $KAl{\left( {S{O_4}} \right)_2}.12{H_2}O$is
  • A
    Potassium aluminate(III) sulphate hydrate
  • B
    Potassium aluminium(III) sulphate – 12 – water
    Correct
  • C
    Aluminium potassium sulphate – 12 – water
  • D
    Aluminium (III) potassium sulphate hydrate – 12
5
The IUPAC name of AlCl3.4(EtOH) is
  • A
    Aluminium (II) chloride – 4 – ethanol
  • B
    Aluminium (IV) chloride – 4 – hydroxyethane
  • C
    Aluminium chloride – 4 – ethanol
  • D
    Aluminium(III) chloride – 4 – ethanol
    Correct
6
${K_3}\left[ {Al{{\left( {{C_2}{O_4}} \right)}_3}} \right]$is called
  • A
    Potassium aluminooxalate
  • B
    Potassiumtrioxalatoaluminate(III)
    Correct
  • C
    Potassium alumina(III)oxalate
  • D
    Potassium trioxalatoaluminate(III)
7
Sodium pentacyanonitrosylferrate(II) is also called
  • A
    Sodium ferrocyanide
  • B
    Sodium nitroprusside
    Correct
  • C
    Sodium cobaltnitrite
  • D
    Sodium sulphocyanide
8
The isomers $\left[ {{{\left( {{C_6}{H_5}} \right)}_3}{P_2}Pd{{\left( {SCN} \right)}_2}} \right]$and$\left[ {{{\left( {{C_6}{H_5}} \right)}_3}{P_2}Pd{{\left( {NCS} \right)}_2}} \right]$show
  • A
    Geometrical isomerism
  • B
    Linkage isomerism
    Correct
  • C
    Coordination isomerism
  • D
    Ionization isomerism
9
Aqueous solution of nickel sulphate on treating with pyridine and then adding a solution of sodium nitrite gives dark blue crystals of
  • A
    $\begin{array}{*{20}{l}} {\left[ {Ni{{\left( {py} \right)}_4}{{\left( {N{O_2}} \right)}_2}} \right]} \end{array}$
    Correct
  • B
    $\begin{array}{*{20}{l}} {\left[ {Ni{{\left( {py} \right)}_4}} \right]S{O_4}} \end{array}$
  • C
    $\begin{array}{*{20}{l}} {\left[ {Ni{{\left( {py} \right)}_2}{{\left( {N{O_2}} \right)}_2}} \right]} \end{array}$
  • D
    $\begin{array}{*{20}{l}} {{{\left[ {Ni{{\left( {py} \right)}_3}\left( {N{O_2}} \right)} \right]}_2}S{O_4}} \end{array}$
10
A complex of platinum, ammonia and chlorine produces four ions per molecule in the solution. The structure consistent with the observation is
  • A
    $\begin{array}{*{20}{l}} {\left[ {Pt{{\left( {N{H_3}} \right)}_6}} \right]C{l_4}} \end{array}$
  • B
    $\begin{array}{*{20}{l}} {\left[ {Pt{{\left( {N{H_3}} \right)}_4}C{l_2}} \right]C{l_2}} \end{array}$
  • C
    $\begin{array}{*{20}{l}} {\left[ {Pt{{\left( {N{H_3}} \right)}_5}Cl} \right]C{l_3}} \end{array}$
    Correct
  • D
    $\begin{array}{*{20}{l}} {\left[ {Pt{{\left( {N{H_3}} \right)}_2}C{l_4}} \right]} \end{array}$
11
Which of the following complex species involves ${d^2}s{p^3}$ hybridization?
  • A
    ${\left[ {Cr{{\left( {N{H_3}} \right)}_6}} \right]^{3 + }}$
  • B
    ${\left[ {Co{F_6}} \right]^{3{\text{ }}--}}$
  • C
    ${\left[ {Fe{{\left( {CN} \right)}_6}} \right]^{3{\text{ }}--}}$
    Correct
  • D
    ${\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]^{3 + }}$
12
A complex involving $dsp_2$ hybridization has
  • A
    Octahedral geometry
  • B
    Square planar geometry
    Correct
  • C
    Trigonal planar geometry
  • D
    Tetrahedral geometry
13
In the complex $Fe(CO)_x$ , the value of x is
  • A
    3
  • B
    2
  • C
    5
    Correct
  • D
    4
14
Which among the following has square pyramidal geometry?
  • A
    Bis(acetylacetonato)oxovanadium(IV)
    Correct
  • B
    Pentacarbonyliron(0)
  • C
    Tetracarbonylnickel(0)
  • D
    Hexaamminecobalt(II) nitrate
15
Which of the following is paramagnetic?
  • A
    $\begin{array}{*{20}{l}} {{K_3}\left[ {Fe{{\left( {CN} \right)}_6}} \right]} \end{array}$
    Correct
  • B
    $Ni{\left( {CO} \right)_4}$
  • C
    $\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]C{l_3}$
  • D
    ${K_4}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$