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Isomerism Questions

Practice 33 Isomerism questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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33
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2
Easy
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27
Medium
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4
Hard
Practice by Exam:Chemistry(33)

About Isomerism — practice questions, PYQs & concepts

Isomerism is a frequently-tested topic on Chemistry. ExamTest.live currently lists 33 Isomerism questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Isomerism weight in competitive exams

Across our Isomerism question bank, the largest sources are Chemistry (33). Click any exam chip above to drill down to that exam-specific question set.

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All Isomerism Questions(1–33 of 33)

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Q1hardmcqChemistryAIEEE2026
0% accuracy
Of the five isomeric hexanes, the isomer which can give only two monochlorinated compounds is:
Q2mediummcqChemistryAIEEE2026
0% accuracy
Which type of isomerism is shown by -dichlorobutane?
Q3mediummcqChemistryAIEEE 20072026
0% accuracy
Which one of the following conformations of cyclohexane is chiral?
Q4mediummcqChemistryAIEEE 20092026
Which of the following has an optical isomer?
Q5easymcqChemistryNEET 20212026
The compound which shows metamerism is:
Q6mediummcqChemistryNEET (UG) 20242026
Match List I with List II regarding isomerism in coordination compounds:
image
Q7hardmcqChemistryAIEEE 20042026
Which one of the following has the largest number of isomers?
Q8mediummcqChemistryAIEEE 20042026
Which of the following will have a meso-isomer also?
Q9mediummcqChemistryAIEEE 20092026
The alkene that exhibits geometrical isomerism is:
Q10mediummcqChemistryNEET (UG) 20182026
The type of isomerism shown by the complex is:
Q11mediummcqChemistryAIEEE 20092026
The number of stereoisomers possible for a compound of the molecular formula is:
Q12mediummcqChemistryAIEEE 20092026
Which of the following pairs represents linkage isomers?
Q13mediummcqChemistryAIEEE2026
Which one of the following has an optical isomer? (en = ethylenediamine)
Q14mediummcqChemistryAIEEE2026
Out of the following, the alkene that exhibits optical isomerism is:
Q15mediummcqChemistryFIITJEE AIEEE 2011 (Set Q)2026
Identify the compound that exhibits tautomerism.
Q16hardmcqChemistryAIEEE 20122026
How many chiral compounds are possible on monochlorination of 2-methylbutane?
Q17mediummcqChemistryJEE Main2026
Which of the following complex species is not expected to exhibit optical isomerism?
Q18mediummcqChemistryChemistry
3% accuracy
Which one of the following compounds can exist as cis-trans isomers?
Q19mediummcqChemistryChemistry
3% accuracy
Total number of possible isomers (both structural as well as stereoisomers) of cyclic ethers of molecular formula is :
Q20mediummcqChemistryChemistry
6% accuracy
How many products (including stereoisomers) are expected from monochlorination of the following compound?
Q21mediummcqChemistryChemistry
0% accuracy
The complexes and are the examples of which type of isomerism?
Q22mediummcqChemistryChemistry
0% accuracy
The complex will have how many geometrical isomers?
Q23mediummcqChemistryChemistry
Which of the following biphenyls is optically active?
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Q24mediummcqChemistryChemistry
Number of possible isomers for the complex will be: ( = ethylene diamine)
Q25mediummcqChemistryChemistry
The number of structural isomers possible from the molecular formula is:
Q26mediummcqChemistryChemistry
Which of the following acids does NOT exhibit optical isomerism?
Q27easymcqChemistryChemistry
The existence of two different coloured complexes with the composition of is due to:
Q28mediummcqChemistryChemistry
has a chiral center. Which one of the following represents its configuration?
Q29mediummcqChemistryChemistry
If there is no rotation of plane polarized light by a compound in a specific solvent, thought to be chiral, it may mean that:
Q30mediummcqChemistryChemistry
Which of the following will give a pair of enantiomorphs? ()
Q31mediummcqChemistryChemistry
Which of the following is not chiral?
Q32mediummcqChemistryChemistry
Among the following the most stable compound is:
Q33hardmcqChemistryChemistry
In which of the following pairs both the complex's show optical isomerism?

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