BITSAT SERIES
Chemistry

Coordination Compounds

25 previous year questions.

Volume: 25 Ques
Yield: High

High-Yield Trend

2
2025
1
2023
1
2021
1
2020
4
2019
2
2018
2
2017
1
2016
6
2015
3
2014
1
2013
1
2006

Chapter Questions
25 MCQs

01
PYQ 2006
medium
chemistry ID: bitsat-2
The crystal field splitting energy for octahedral and tetrahedral complexes is related to :
1
2
3
4
02
PYQ 2013
medium
chemistry ID: bitsat-2
The pair in which both species have same magnetic moment (spin only value) is:
1
,
2
,
3
,
4
,
03
PYQ 2014
medium
chemistry ID: bitsat-2
Which forms coloured salts:
1
Non-metals
2
Metals
3
p-block elements
4
Transition elements
04
PYQ 2014
medium
chemistry ID: bitsat-2
The correct order of magnetic moments (spin only values in B.M.) is: (Atomic nos.: Mn = 25, Fe = 26, Co = 27)
1

2

3

4
05
PYQ 2014
medium
chemistry ID: bitsat-2
Which of the following ions can be separated by aq. NH OH in presence of NH Cl?
1
Al and Fe
2
Cr and Al
3
Cu and Al
4
None of these
06
PYQ 2015
medium
chemistry ID: bitsat-2
The colour of is:
1
red
2
orange
3
orange-yellow
4
pink
07
PYQ 2015
medium
chemistry ID: bitsat-2
K [Fe(CN) ] is used in detecting:
1
Fe ion
2
Cu ion
3
Cu ion
4
Fe ion
08
PYQ 2015
medium
chemistry ID: bitsat-2
Some salts containing two different metallic elements give test for only one of them in solution. Such salts are:
1
double salts
2
normal salts
3
complex salts
4
none of these
09
PYQ 2015
easy
chemistry ID: bitsat-2
Some salts containing two different metallic elements give test for only one of them in solution, such salts are
1
double salts
2
normal salts
3
complex salts
4
None of these
10
PYQ 2015
medium
chemistry ID: bitsat-2
The color of is
1
red
2
orange
3
orange - yellow
4
pink
11
PYQ 2015
easy
chemistry ID: bitsat-2
Which of the following represents hexadentate ligand?
1
EDTA
2
DMG
3
Ethylenediamine
4
None of the above
12
PYQ 2016
medium
chemistry ID: bitsat-2
Which of the following is paramagnetic?
1

2

3

4
[CoF₆]³-
13
PYQ 2017
medium
chemistry ID: bitsat-2
Which one of the following complexes is an outer orbital complex?
1

2

3

4
[Ni(NH₃)₆]²+
14
PYQ 2017
medium
chemistry ID: bitsat-2
Correct formula of the complex formed in the brown ring test for nitrates is
1
FeSO₄·NO
2
[Fe(H₂O)₅NO]²+
3
[Fe(H₂O)₅NO]⁺
4
[Fe(H₂O)₅NO]³+
15
PYQ 2018
medium
chemistry ID: bitsat-2
When an aqueous solution of copper(II) sulphate is saturated with ammonia, the blue compound crystallises on evaporation. The formula of this blue compound is:
1
[Cu(NH₃)₄]SO₄·H₂O (square planar)
2
[Cu(NH₃)₄]SO₄ (tetrahedral)
3
[Cu(NH₃)₆]SO₄ (octahedral)
4
[Cu(SO₄)(NH₃)₅] (octahedral)
16
PYQ 2018
medium
chemistry ID: bitsat-2
Which of the following element do not form complex with EDTA?
1
Ca
2
Mg
3
Be
4
Sr
17
PYQ 2019
medium
chemistry ID: bitsat-2
K₄[Fe(CN)₆] is used in detecting
1
Fe³+ ion
2
Cu⁺ ion
3
Cu³+ ion
4
Fe²+ ion
18
PYQ 2019
medium
chemistry ID: bitsat-2
The color of CoCl₃·5NH₃·H₂O is
1
red
2
orange
3
orange-yellow
4
pink
19
PYQ 2019
medium
chemistry ID: bitsat-2
Which of the following represents hexadentate ligand?
1
EDTA
2
DMG
3
Ethylenediamine
4
None of the above
20
PYQ 2019
medium
chemistry ID: bitsat-2
Some salts containing two different metallic elements give test for only one of them in solution, such salts are
1
double salts
2
normal salts
3
complex salts
4
None of these
21
PYQ 2020
medium
chemistry ID: bitsat-2
Which of the following is paramagnetic?
1

2

3

4
[CoF₆]³-
22
PYQ 2021
medium
chemistry ID: bitsat-2
Correct formula of the complex formed in the brown ring test for nitrates is
1
FeSO₄ · NO
2
[Fe(H₂O)₅NO]²+
3
[Fe(H₂O)₅NO]⁺
4
[Fe(H₂O)₅NO]³+
23
PYQ 2023
easy
chemistry ID: bitsat-2

Magnetic moment; of TI, V, Cr, Mn.

24
PYQ 2025
medium
chemistry ID: bitsat-2
Calculate the empirical formula of a compound containing 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass.
1

2

3

4
25
PYQ 2025
medium
chemistry ID: bitsat-2
The complex shows how many geometrical isomers?
1
1
2
2
3
3
4
4