Cordination Compound Test

Cordination Compound

This is cordination compound Test-05 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The hybridization of nickel in tetracarbonyl nickel is
  • A
    $sp^3d$
  • B
    $dsp^2$
  • C
    $sp^3d^2$
  • D
    $sp^3$
    Correct
2
In the complex ${\left[ {Ni{{\left( {{H_2}O} \right)}_2}{{\left( {N{H_3}} \right)}_4}} \right]^{2 + }},$the number of unpaired electron is
  • A
    2
    Correct
  • B
    3
  • C
    1
  • D
    0
3
According to Werner’s theory , the primary valences of the central atom
  • A
    Are equal to its coordination number
  • B
    Are satisfied by negative ions or neutral molecules
  • C
    Are satisfied by negative ions
    Correct
  • D
    Decide the geometry of the complex
4
The EAN of Ni in ${\left[ {Ni{{\left( {CN} \right)}_4}} \right]^{2{\text{ }}--}}\;$is
  • A
    35
  • B
    34
    Correct
  • C
    28
  • D
    36
5
In the complex $PtC{l_4}.3N{H_3}$,the number of ionisable chlorines is
  • A
    1
  • B
    0
  • C
    2
  • D
    3
    Correct
6
The formula of Zeise’s salt is
  • A
    ${K^ + }{\left[ {PtC{l_3}.{C_2}{H_4}} \right]^--}$
    Correct
  • B
    ${\left[ {PtC{l_2}.\left( {{C_2}{H_2}} \right)} \right]^--}{K^ + }$
  • C
    ${\left[ {PtC{l_3}.{C_6}{H_6}} \right]^--}{K^ + }$
  • D
    ${\left[ {PtC{l_3}.{C_2}{H_6}} \right]^--}{K^ + }$
7
Which among the following is not an example of organometallic compound?
  • A
    Trimethoxytitanium chloride
    Correct
  • B
    Trimethylaluminium
  • C
    Tetracarbonylnickel
  • D
    Trimethylboran
8
Wilkinson’s catalyst is
  • A
    $\begin{array}{*{20}{l}} {TiC{l_4}and{\text{ }}{{\left( {{C_6}{H_5}} \right)}_3}P} \end{array}$
  • B
    $\begin{array}{*{20}{l}} {{{\left[ {{{\left( {{C_6}{H_5}} \right)}_3}P} \right]}_3}RhCl} \end{array}$
    Correct
  • C
    $\begin{array}{*{20}{l}} {TiC{l_4}and{\text{ }}Al{{\left( {{C_2}{H_5}} \right)}_3}} \end{array}$
  • D
    $Al{\left( {{C_2}{H_5}} \right)_3},{\text{ }}TiC{l_4}$and ${\left( {{C_6}{H_5}} \right)_3}P$
9
The hardness of water is estimated by
  • A
    EDTA method
    Correct
  • B
    Conductivity method
  • C
    Titrimetric method
  • D
    Distillation method
10
A reagent used for identifying nickel ion is
  • A
    Dimethylglyoxime
    Correct
  • B
    Neutral ferric acid
  • C
    Phenolphthalein
  • D
    Potassium ferrocyanide
11
Ziegler – Natta catalyst is a
  • A
    Solution of $TiCl_4$ + trialkylaluminium
    Correct
  • B
    Solution of $SnCl_4$ + Tollen’s reagent
  • C
    Solution of $TiCl_4$ + Tollen’s reagent
  • D
    Solution of $SnCl_4$ + trialkylaluminium
12
Which of the following is Magnus green salt?
  • A
    $\begin{array}{*{20}{l}} {{{\left[ {Pt{{\left( {N{H_3}} \right)}_4}} \right]}_2}{{\left[ {PtC{l_4}} \right]}^{2{\text{ }}--}}} \end{array}$
    Correct
  • B
    $\begin{array}{*{20}{l}} {{K_2}Pt{{\left( {CN} \right)}_5}} \end{array}$
  • C
    ${\left[ {Cu{{\left( {N{H_3}} \right)}_4}} \right]^{2 + }}{\left[ {PtC{l_4}} \right]^{2{\text{ }}--}}$
  • D
    ${K_2}Pt{\left( {CN} \right)_6}$
13
The effective atomic number of Fe in $Fe{\left( {CO} \right)_5}$is
  • A
    26
  • B
    24
  • C
    36
    Correct
  • D
    34
14
Which of the following represents chelating ligand?
  • A
    $OH^ –$
  • B
    $H_2O$
  • C
    $Cl^ –$
  • D
    DMG
    Correct
15
Blue solution of $CuSO_4$ becomes darker when treated with ammonia because
  • A
    None of these
  • B
    Ammonia is stronger ligand than water
    Correct
  • C
    Ammonia molecule replaces water molecule in solution
  • D
    Ammonia is highly soluble in water