Isomerism (Structural, Stereoisomerism): JEE Questions & Solutions
31 previous-year JEE Chemistry questions on Isomerism (Structural, Stereoisomerism), each with a worked step-by-step solution.
Previous-year questions
- 01
Identify correct statements from the following: A. Propanal and propanone are functional isomers. B. Ethoxyethane and methoxypropane are…
MCQEasyJEE 2026 - 02
A hydrocarbon 'P' ( C4 H8) on reaction with HCl gives an optically active compound 'Q' ( C4 H9 Cl) which on reaction with one mole of…
MCQMediumJEE 2026 - 03
Given below are four compounds: (a) n-propyl chloride (b) iso-propyl chloride (c) sec-butyl chloride (d) neo-pentyl chloride Percentage of…
MCQMediumJEE 2026 - 04
Match List - I with List - II. Choose the correct answer from the options given below:
MCQEasyJEE 2026 - 05
But-2-yne and hydrogen (one mole each) are separately treated with (i) Pd/C and (ii) Na/liq.NH₃ to give the products X and Y respectively.…
MCQMediumJEE 2026 - 06
Consider all the structural isomers with molecular formula C3H5Br are separately treated with KOH(aq) to give respective substitution…
NVAMediumJEE 2026 - 07
Given below are two statements regarding conformations of n-butane. Choose the correct option.
MCQEasyJEE 2026 - 08
How many different stereoisomers are possible for the given molecule?
MCQMediumJEE 2025 - 09
The incorrect statements regarding geometrical isomerism are: (A) Propene shows geometrical isomerism. (B) Trans isomer has identical…
MCQEasyJEE 2025 - 10
The alkane from below having two secondary hydrogens is:
MCQMediumJEE 2025 - 11
Identify the number of structure/s from the following which can be correlated to D-glyceraldehyde.
MCQMediumJEE 2025 - 12
The possible number of stereoisomers for 5-phenylpent-4-en-2-ol is:
NVAEasyJEE 2025 - 13
The hydrocarbon (X) with molar mass 80 g mol^-1 and 90 carbon has degree of unsaturation.
NVAEasyJEE 2025 - 14
Given below are two statements: Statement (I): are isomeric compounds. Statement (II): are functional group isomers. In the light of the…
MCQEasyJEE 2025 - 15
Identify the correct statements from the following A. B. C. D. Choose the correct answer from the options given below
MCQMediumJEE 2025 - 16
The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula C7H12 is.
NVAMediumJEE 2025 - 17
Consider the following molecule X. The structure of X is:
MCQEasyJEE 2025 - 18
Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:
MCQMediumJEE 2025 - 19
The incorrect statement regarding conformations of ethane is:
MCQEasyJEE 2024 - 20
Total number of compounds with chiral carbon atoms from the following is:
NVAMediumJEE 2024 - 21
Which one of the following will show geometrical isomerism?
MCQEasyJEE 2024 - 22
Number of geometrical isomers possible for the given structure is/are:
MCQMediumJEE 2024 - 23
2-chlorobutane + Cl2 C4 H7 Cl3 (isomers) Total number of optically active isomers shown by C4 H7 Cl3, obtained in the above reaction is:
MCQMediumJEE 2024 - 24
The total number of stereoisomers possible for the given structure is:
MCQMediumJEE 2024 - 25
Maximum number of isomeric monochloro derivatives that can be obtained from 2,2,5,5-tetramethylhexane by chlorination is:
NVAMediumJEE 2023 - 26
Which of the following conformations will be the most stable?
MCQEasyJEE 2023 - 27
Match List I with List II:
MCQEasyJEE 2023 - 28
The isomeric deuterated bromide with molecular formula C4H9DBr having two chiral carbon atoms is:
MCQMediumJEE 2023 - 29
The total number of chiral compound/s from the following is.
NVAEasyJEE 2023 - 30
Testosterone, which is a steroidal hormone, has the following structure. The total number of asymmetric carbon atom/s in testosterone is
NVAMediumJEE 2023 - 31
Provided that below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: A solution of…
MCQMediumJEE 2023
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