Engineering Entrance Sample Papers

Coordination Chemistry Multiple Choice Questions [Online Test]

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

Coordination Chemistry

Question 1
The complex salt can be made by the combination of [CoIII(NH3)5 Cl]x with:

Related: Chemical Kinetics NEET mcq

A
Cl–
B
2Cl–
C
Na+
D
2K+
Question 2
How many ions are produced in aqueous solution of [Co(H2O)6]Cl2
A
6
B
3
C
2
D
4
Question 3
The number of unpaired electrons in the complex ion [CoF6]3–is (Atomic no. of Co = 27)
A
4
B
2
C
Zero
D
3
Question 4
pi-bonding is not present in
A
Dibenzene chromium
B
Ferrocene
C
Grignard reagent
D
Zeise’s salt
Question 5
Grignard reagent is a
A
None of these
B
Coordinate compound
C
Organometallic compound
D
Double salt
Question 6
The neutral ligand is
A
Ammine
B
Chloro
C
Hydroxo
D
Oxalato
Question 7
The oxidation state of Fe in K4[Fe(CN)6] is
A
+2
B
+4
C
+3
D
–2
Question 8
d2sp3 hybridisation leads to

Related: Ionic Equilibrium question bank

A
Hexagonal shape
B
Trigonal bipyrimidal
C
Octahedral shape
D
Tetrahedral shape
Question 9
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
[Zn(NH3)6]2+
B
[Co(NH3)6]3+
C
[Ni(NH3)6]2+
D
[Cr(NH3)6]3+
Question 10
Change in composition of co-ordination sphere yields which types of isomers
A
Geometrical
B
Optical
C
None of these
D
Ionisation
Question 11
Which of the following is non-ionizable
A
[Co(NH3)3Cl3]
B
[Co(NH3)5 Cl]Cl2
C
[Co(NH3)4 Cl2]Cl
D
[Co(NH3)6]Cl2
Question 12
The number of neutral molecules or negative groups attached to the central metal atom in a complex ion is called
A
Coordination number
B
Primary valency
C
Atomic number
D
Effective atomic number
Question 13
The complex compounds which result from the coordination of carbon monoxide are known as
A
Electronic
B
Carbonates
C
Carbon permono
D
Carbonyls
Question 14
IUPAC name of [Co(NH3)5NO2]Cl2
A
Pentamminenitrosocobalt (III) chloride
B
Pentamminenitrocobalt (III) chloride
C
None of these
D
Pentamminenitrocobalt (II) chloride
Question 15
The oxidation state of Fe in the complex [Fe(CO)5] is

Related: Objective Questions on Solid State Chemistry

A
+2
B
–1
C
Zero
D
+4
Question 16
In [NiCl4]2–, the number of unpaired electron is
A
3
B
4
C
2
D
4.5
Question 17
The complex [Pt(NH3)6]Cl4 furnishes
A
3 ions
B
4 ions
C
2 ions
D
5 ions
Question 18
Which is the example of hexadentate ligand?
A
Dimethyl glyoxime
B
2, 2—dipyridyl
C
Aminodiacetate ion
D
Ethylene diammine tetra acetate ion [EDTA]
Question 19
What is the EAN of nickel in Ni(CO)4?

Related: Questions on purification of organic compounds

A
34
B
36
C
32
D
35
Question 20
The type of isomerism present in nitropentamine chromium (III) chloride is
A
Optical
B
Ionization
C
Linkage
D
Polymerisation
Question 21
AgCl precipitate dissolves in ammonia due to the formation of
A
[Ag(NH4)2]Cl
B
[Ag(NH4)2]OH
C
[Ag(NH3)2]OH
D
[Ag(NH3)2]Cl
Question 22
The IUPAC name of [Ni(CO)4] is
A
Tetra carbonyl nickel (0)
B
Tetra carbonyl nickel (II)
C
Tetra carbonyl nickelate (II)
D
Tetra carbonyl nickelate (0)
Question 23
What is the use of tetraethyl lead?
A
For reducing knocking
B
As a catalyst in addition reaction of alkenes
C
For creating knocking
D
As a catalyst in polymerization reaction of alkenes
Question 24
The co-ordination number of copper in cuprammonium sulphate is
A
4
B
2
C
– 4
D
6
Question 25
The oxidation number of cobalt in K[Co(CO)4] is
A
–3
B
+1
C
–1
D
+3
Question 26
Which one of the following complexes is paramagnetic
A
[Co(H2O)6]3+
B
[CoF3(H2O)3]
C
All of these
D
[Co(F)6]3+
Question 27
Cuprammonium ion [Cu(NH3)4]2+ is
A
Square planar
B
Triangular bipyramid
C
Octahedral
D
Tetrahedral
There are 27 questions to complete.
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