Engineering Entrance Sample Papers

Coordination Chemistry Multiple Choice Questions [Online Test]

Introduction to Coordination Chemistry

Coordination Chemistry Multiple Choice Questions for Practice for NEET, JEE, VITEEE and other Entrance Exams

Coordination Chemistry

Question 1
The complex [Pt(NH3)6]Cl4 furnishes
A
4 ions
B
3 ions
C
5 ions
D
2 ions
Question 2
Change in composition of co-ordination sphere yields which types of isomers
A
Optical
B
Ionisation
C
Geometrical
D
None of these
Question 3
Grignard reagent is a

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A
Double salt
B
Organometallic compound
C
None of these
D
Coordinate compound
Question 4
The complex compounds which result from the coordination of carbon monoxide are known as
A
Electronic
B
Carbonates
C
Carbon permono
D
Carbonyls
Question 5
AgCl precipitate dissolves in ammonia due to the formation of

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A
[Ag(NH4)2]OH
B
[Ag(NH3)2]OH
C
[Ag(NH3)2]Cl
D
[Ag(NH4)2]Cl
Question 6
The IUPAC name of [Ni(CO)4] is

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A
Tetra carbonyl nickel (0)
B
Tetra carbonyl nickelate (0)
C
Tetra carbonyl nickel (II)
D
Tetra carbonyl nickelate (II)
Question 7
What is the EAN of nickel in Ni(CO)4?

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A
35
B
36
C
32
D
34
Question 8
Cuprammonium ion [Cu(NH3)4]2+ is
A
Triangular bipyramid
B
Octahedral
C
Tetrahedral
D
Square planar
Question 9
Which is the example of hexadentate ligand?
A
Ethylene diammine tetra acetate ion [EDTA]
B
Aminodiacetate ion
C
2, 2—dipyridyl
D
Dimethyl glyoxime
Question 10
The oxidation state of Fe in the complex [Fe(CO)5] is

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A
–1
B
+4
C
+2
D
Zero
Question 11
Which one of the following complexes is paramagnetic
A
[Co(H2O)6]3+
B
[CoF3(H2O)3]
C
[Co(F)6]3+
D
All of these
Question 12
In [NiCl4]2–, the number of unpaired electron is
A
2
B
4.5
C
4
D
3
Question 13
d2sp3 hybridisation leads to

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A
Tetrahedral shape
B
Hexagonal shape
C
Octahedral shape
D
Trigonal bipyrimidal
Question 14
pi-bonding is not present in
A
Ferrocene
B
Grignard reagent
C
Dibenzene chromium
D
Zeise’s salt
Question 15
IUPAC name of [Co(NH3)5NO2]Cl2
A
Pentamminenitrocobalt (III) chloride
B
None of these
C
Pentamminenitrosocobalt (III) chloride
D
Pentamminenitrocobalt (II) chloride
Question 16
How many ions are produced in aqueous solution of [Co(H2O)6]Cl2
A
2
B
3
C
6
D
4
Question 17
The number of neutral molecules or negative groups attached to the central metal atom in a complex ion is called
A
Atomic number
B
Primary valency
C
Effective atomic number
D
Coordination number
Question 18
The type of isomerism present in nitropentamine chromium (III) chloride is

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A
Polymerisation
B
Optical
C
Linkage
D
Ionization
Question 19
The co-ordination number of copper in cuprammonium sulphate is
A
4
B
6
C
2
D
– 4
Question 20
What is the use of tetraethyl lead?
A
As a catalyst in polymerization reaction of alkenes
B
For reducing knocking
C
As a catalyst in addition reaction of alkenes
D
For creating knocking
Question 21
Which of the following is non-ionizable
A
[Co(NH3)3Cl3]
B
[Co(NH3)4 Cl2]Cl
C
[Co(NH3)5 Cl]Cl2
D
[Co(NH3)6]Cl2
Question 22
The neutral ligand is
A
Chloro
B
Ammine
C
Hydroxo
D
Oxalato
Question 23
Which one of the following is an inner orbital complex as well as diamagnetic in behaviour (Atomic number : Zn = 30), Cr = 24, Co = 27, Ni = 28)
A
[Co(NH3)6]3+
B
[Zn(NH3)6]2+
C
[Ni(NH3)6]2+
D
[Cr(NH3)6]3+
Question 24
The oxidation state of Fe in K4[Fe(CN)6] is
A
+3
B
+2
C
+4
D
–2
Question 25
The number of unpaired electrons in the complex ion [CoF6]3–is (Atomic no. of Co = 27)
A
Zero
B
2
C
4
D
3
Question 26
The complex salt can be made by the combination of [CoIII(NH3)5 Cl]x with:

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A
2K+
B
2Cl–
C
Na+
D
Cl–
Question 27
The oxidation number of cobalt in K[Co(CO)4] is
A
+3
B
–1
C
–3
D
+1
There are 27 questions to complete.
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