The geometry and magnetic behaviour of the complex [Ni(CO) 4 ] are

tetrahedral geometry and diamagnetic

square planar geometry and diamagnetic

square planar geometry and paramagnetic

tetrahedral geometry and paramagnetic

Out of TiF 6 2 - , CoF 6 3 - , Cu 2 Cl 2 and NiCl 4 2 - (Z of Ti = 22, Co=27, Cu = 29, Ni= 28) the colourless species are

C u 2 C l 2 a n d N i C l 4 2 -

C o F 6 3 - a n d N i C l 4 2 -

Chemistry - Coordination Compounds - Quiz-7

Number of possible isomers for the complex $[Co {(en)}_{2} {Cl}_{2}] C l$ will be (en=ethylenediamine)

0%

2
0%

1
0%

3
0%

4

The hybridization involved in complex ${[Ni {(CN)}_{4}]}^{2 -}$ is
(Atomic number of Ni=28)

0%

$d s p^{2}$
0%

$s p^{3}$
0%

$d^{2} s p^{2}$
0%

$d^{2} s p^{3}$

An ion, among the following, that has magnetic moment of 2.84 BM is
(At. no. Ni = 28, Ti = 22, Cr = 24, Co = 27)

$1 . {Ni}^{2 +} 2 . {Ti}^{3 +} 3 . {Cr}^{2 +} 4 . {Co}^{2 +}$

0%
1
0%
2
0%
3
0%
4

Cobalt (III) chloride forms several octahedral complexes with ammonia. A compound, among the following, that does not give test for chloride ions with silver nitrate at 25 °C is

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CoCl₃. 3NH₃
0%

CoCl₃. 4NH₃
0%

CoCl₃. 5NH₃
0%

CoCl₃. 6NH₃

An anticancer agent among the following is -

0%

$mer - [Co ({NH}_{3})_{3} Cl]$
0%

$Cis - [{PtCl}_{2} ({NH}_{3})_{2}]$
0%

$Cis - K_{2} [Pt {Cl}_{2} {Br}_{2}]$
0%

${NH}_{2} {CoCl}_{4}$

An excess of AgNO₃ is added to 100 mL of a 0.01M solution of dichlorotetraaquachromium (III) chloride. The number of moles of AgCl precipitated would be :

0%

0.002
0%
0.003
0%
0.01
0%
0.001

The complexes $[Co {({NH}_{3})}_{6}] [C r {(C N)}_{6}]$ and $[Cr {({NH}_{3})}_{6}] [C o {(C N)}_{6}]$ show

0%

Ionisation isomerism
0%

Co-ordination isomerism
0%

Geometrical isomerism
0%

Linkage isomerism

The number of geometrical isomers shown by $[Pt (Py) ({NH}_{3}) BrCl]$ are

0%

4
0%

0
0%

2
0%

3

Which of the following complex ions is not expected to absorb visible light ?

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$[N i (C N)_{4}]^{2-}$
0%

$[C r (N H_{3})_{6}]^{3 +}$
0%

$[F e (H_{2} O)_{6}]^{2 +}$
0%

$[N i (H_{2} O)_{6}]^{2 +}$

The existence of two different coloured complexes with the composition of [Co(NH₃)₄Cl₂]⁺is due to-

0%

linkage isomerism
0%

Geometrical isomerism
0%

Coordination isomerism
0%

Ionisation isomerism

An ion, among the following, that does not show optical isomerism is

(en = ethylenediamine)

0%

[Co(en)₂Cl₂]⁺
0%

[Co(NH₃)₃Cl₃]
0%

[Co(en)Cl₂(NH₃)₂]⁺
0%

[Co(en)₃]³⁺

A complex ion, among the following, that is expected to absorb visible light is
(At. no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)

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[Sc(H₂O)₃(NH₃)₃]³⁺
0%

[Ti(en)₂ (NH₃)₂]⁴⁺
0%

[Cr(NH₃)₆]³⁺
0%

[Zn(NH₃)₆]²⁺

Out of ${TiF}_{6}^{2 -}$ , ${CoF}_{6}^{3 -}$ , Cu₂Cl₂ and ${NiCl}_{4}^{2 -}$ (Z of Ti = 22, Co=27, Cu = 29, Ni= 28) the colourless species are

0%

$T i F_{6}^{2 -} a n d C o F_{6}^{3 -}$
0%

$C u_{2} C l_{2} a n d N i C l_{4}^{2 -}$
0%

$T i F_{6}^{2 -} a n d C u_{2} C l_{2}$
0%

$C o F_{6}^{3 -} a n d N i C l_{4}^{2 -}$

The complexes with the highest paramagnetic behavior among the following is -

(where gly = glycine, en = ethylenediamine, ox= oxalate ion and bpy = bipyridyl moieties )
(At no : Ti= 22, V = 21, Fe = 26, Co = 27)

0%

${[V {(gly)}_{2} {(OH)}_{2} {({NH}_{3})}_{2}]}^{+}$
0%

${[Fe (en) (bpy) {({NH}_{3})}_{2}]}^{2 +}$
0%

Co[(ox)₂(OH)₂]^-
0%

${[Ti {({NH}_{3})}_{6}]}^{3 +}$

A pair that contain both the ions coloured in aqueous solution is -

(At. no. : Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co= 27)

0%

$N i^{2 +}, T i^{3 +}$
0%

$S c^{3 +}, T i^{3 +}$
0%

$S c^{3 +}, C o^{2 +}$
0%

$N i^{2 +}, C u^{+}$

What is the correct electronic configuration of the central atom in $K_{4} [Fe {(CN)}_{6}]$ based on crystal field theory?

0%

$e^{4} t_{2 g}^{2}$
0%

$t_{2 g}^{4} e_{g}^{2}$
0%

$t_{2 g}^{6} e_{g}^{0}$
0%

$e^{3} t_{2 g}^{3}$

Complexes with halide ligands are generally

0%

High spin complexes
0%

Low spin complexes
0%

Both high spin and low spin complexes
0%

None of the above

If $\frac{1}{3}$ rd of total chlorine of a compound is precipitated by adding AgNO₃ to its aqueous solution , then the most likely structure of CrCl₃.6H₂O will be

0%

CrCl₃.6H₂O
0%

[Cr(H₂O)₃Cl₃](H₂O)₃
0%

[CrCl₂(H₂O)₄]Cl.2H₂O
0%

[CrCl.(H₂O)₅]Cl₂.H₂O

The correct statement, among the following, is

0%

If $∆_{0}$ < P, low spin state is more stable.
0%

CO is a very weak ligand.
0%

The colour of a complex depends only on the nature of metal ion.
0%

CO is a weak base but strong ligand.

The complex that does not have a tetrahedral shape is :

0%

${[C u {(N H_{3})}_{4}]}^{2 +}$
0%

$[N i {(C O)}_{4}]$
0%

${[N i C l_{4}]}^{2 -}$
0%

${[Z n {(N H_{3})}_{4}]}^{2 +}$

The complex that contains only one unpaired electron is

0%

${[{CoF}_{6}]}^{3 -}$
0%

$[Co {(C_{2} O_{4})}_{3}]^{3 -}$
0%

$3 . [Fe {(CN)}_{6}]^{3 -}$
0%

${[{MnCl}_{6}]}^{3 -}$

Of the following complex ions, Bronsted-Lowry acid is :

0%

${[Cu {({NH}_{3})}_{4}]}^{2 +}$
0%

${[{FeCl}_{4}]}^{-}$
0%

${[Fe {(H_{2} O)}_{6}]}^{3 +}$
0%

${[Zn {(OH)}_{4}]}^{2 -}$

The number of unpaired electrons expected for the complex ion ${[Cr {({NH}_{3})}_{6}]}^{3 +}$ are:

0%

2
0%

3
0%

4
0%

5

The correct order of energies of d-orbitals of metal ion in a square planar complex is :

0%

$d_{xy} = d_{yz} = d_{zx} > d_{x^{2} - y^{2}} = d_{z^{2}}$
0%

$d_{x^{2} - y^{2}} = d_{z^{2}} > d_{xy} = d_{yz} = d_{zx}$
0%

$d_{x^{2} - y^{2}} > d_{z^{2}} > d_{xy} > d_{yz} = d_{zx}$
0%

$d_{x^{2} - y^{2}} > d_{xy} > d_{z^{2}} > d_{zx} = d_{yz}$

Practice Chemistry Quiz Questions and Answers

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Practice Chemistry Quiz Questions and Answers

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