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JEE Exam  >  JEE Test  >  Chemistry Main & Advanced  >  Test: Isomerism of coordination compounds - JEE MCQ

Isomerism of coordination compounds - Free MCQ Practice Test with solutions,


MCQ Practice Test & Solutions: Test: Isomerism of coordination compounds (20 Questions)

You can prepare effectively for JEE Chemistry for JEE Main & Advanced with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Isomerism of coordination compounds". These 20 questions have been designed by the experts with the latest curriculum of JEE 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 20

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Test: Isomerism of coordination compounds - Question 1
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Which of the following molecule(s) is/are showing optical isomerism?

Detailed Solution: Question 1

Optical isomerism is shown by:
(i) complexes of the type containing one symmetrical bidentate ligand.
(ii) complexes of the type
containing a symmetrical bidentate ligand.
(iii) complexes of the type
So, from the given option, only
Shows optical isomerism and the others doesn't.

Test: Isomerism of coordination compounds - Question 2
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The complex that exists as a pair of enantiomers is

Detailed Solution: Question 2

[Co(en)3]3+, where, en = (NH2CH2CH2NH2)
The complex show optical isomerism. Optical isomers are mirror image that cannot be superimposed on one another. These are called as enantiomers. The molecules or ions that cannot be superimposed are called chiral.

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Test: Isomerism of coordination compounds - Question 3
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Which of the following pairs of structures represent facial and meridional isomers (geometrical isomers) respectively?

Detailed Solution: Question 3

exhibits fac-mer isomerism.

Test: Isomerism of coordination compounds - Question 4
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and are example of which type of isomerism

Detailed Solution: Question 4

The two given compounds have same composition but in solution both will give different ions. This type of isomerism is known as ionisation isomerism.

Test: Isomerism of coordination compounds - Question 5
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Which of the following types of isomerism is exhibited by
[Co(NH3)5(NO2)](NO3)2
i. Optical
ii. Linkage
iii. Ionization
iv. Coordination

Detailed Solution: Question 5

No optical isomerism is exhibited by the given complex as there is a plane of symmetry.
Linkage isomers :-
and
Ionization isomers:-
and
For coordination isomerism, both, cationic and anionic entities are required.

Test: Isomerism of coordination compounds - Question 6
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Which among the following doesn't form a white precipitate with solution?

Detailed Solution: Question 6

The complex contains elements of symmetry and is optically inactive. It does not give white precipitate with silver nitrate solution as chlorine is present in coordination sphere.


Test: Isomerism of coordination compounds - Question 7
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Consider the following complexes.

Find the number of complexes will show geometrical isomerism.

Detailed Solution: Question 7

[MA6] No. of geometrical isomers [MA5 B] No. of geometrical isomers  Each show 2 geometical isomers
Thus, 3 complexes will show geometrical isomerism.

Test: Isomerism of coordination compounds - Question 8
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Total number of geometrical isomers from the complex [RhCl(CO)(PPh3)(NH3)] is

Detailed Solution: Question 8


The number of geometrical isomers is 3 .

Test: Isomerism of coordination compounds - Question 9
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Which of the following complex will show geometrical as well as optical isomerism (en=ethylenediammine)

Detailed Solution: Question 9

is a complex of the type which is octahedral. Such compounds exhibit optical and geometrical isomerism both.

Test: Isomerism of coordination compounds - Question 10
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[Co(NH3)5SO4]Br and [Co(NH3)5Br]SO4 are a pair of isomers.

Detailed Solution: Question 10


the molecular formula of both of the above compounds is same but on ionisation they give different ions in solution, so they are called ionisation isomers.

Test: Isomerism of coordination compounds - Question 11
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Which of the following will give maximum number of isomers?

Detailed Solution: Question 11

The complex ion can
exhibit geometrical and linkage isomerism

Test: Isomerism of coordination compounds - Question 12
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The complex given is


(i) non-superimposable on its mirror images
(ii) optically active
(iii) rotate plane polarised light
(iv) planar

Detailed Solution: Question 12

Complex is not superimposable on its mirror image hence optically active i.e., rotate plane polarized light.

Test: Isomerism of coordination compounds - Question 13
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exhibits

Detailed Solution: Question 13

The given compound may have linkage isomerism due to presence of group which may be in the form or -ONO.
It may have ionisation isomerism due to presence of two ionisable groups

It may have geometrical isomerism in the form of cis trans form as follows:

Test: Isomerism of coordination compounds - Question 14
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Coordination number of is six. A complex with , en and superoxide will be in the ratio to make complex

Detailed Solution: Question 14

As co-ordination of is 6
en are bidentate ligands while is unidentate
so

Test: Isomerism of coordination compounds - Question 15
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For complex ion/compound formation reactions
(I)
(II) excess
(III) gly excess
(IV) en excess
which of the following complex ion/compound does not exhibit optical activity?

Detailed Solution: Question 15

with DMG (dimethylglyoxime) form square planar complex which is obtically inactive. While and are optically active as they do not have P.O.S.

Test: Isomerism of coordination compounds - Question 16
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An octahedral complex with molecular composition has two isomers,
A and . The solution of gives a white precipitate with solution and the solution of B gives white precipitate with solution. The type of isomerism exhibited by the complex is:

Detailed Solution: Question 16

The two possible isomers for the given octahedral complex are and . They respectively give chloride ion (indicated by precipitation with ) and ion (indicated by precipitation with ). Hence the type of isomerism exhibited by the complex is ionization isomerism.

Test: Isomerism of coordination compounds - Question 17
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Type of isomerism which exists between and is :

Detailed Solution: Question 17

The compound shows linkage isomerism because the ligand in the compound is an ambidenate ligand that can bond at more than one atomic site. i.e., and

Test: Isomerism of coordination compounds - Question 18
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Which of the following complex ions will exhibit optical isomerism? -diamine ethane .

Detailed Solution: Question 18

Non superimposable mirror images are called optical isomers and may be described as "chiral'. They are also called enantiomers and rotate plane polarised light in opposite directions.

Test: Isomerism of coordination compounds - Question 19
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The complex ion
will give

Detailed Solution: Question 19

Complexes of the type may exist in three isomeric form. Similarily may exist in three isomeric form.

Test: Isomerism of coordination compounds - Question 20
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Which of them show optical as well as geometrical isomerism?

Detailed Solution: Question 20

neither G.I. nor OI
G. I as well as
does not show G.I. while
show Ol

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This test contains 20 MCQs on Isomerism of coordination compounds with detailed solutions for each question. It is part of the Chemistry for JEE Main & Advanced course on EduRev, designed to align with the current JEE syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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