JEE Main 2025 · ChemistryNumerical answerNumerical valueMediumApplication

JEE Main 3 April 2025, Shift 2, Chemistry Q75

Question 75 of 75 in this shift, Chemistry question 25 of 25, Section B.

The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula

\mathrm{C_9H_{12}}

is __________.

Official answer

NTA final key.

Chapter: Organic Chemistry: Some Basic Principles and Techniques
Topic: Structural Isomerism
Idea tested: Isomer Counting in Benzene Derivatives

Same topic in other shifts

All Structural Isomerism questions

2 Apr 2026, Shift 1 · Q72Consider the isomers of hydrocarbon with molecular formula $\mathrm{C_5H_{10}}$ . These isomers do not decolourise $\mathrm{KMnO_4}$ …HardNumerical value
5 Apr 2026, Shift 2 · Q64Identify the correct IUPAC name of hydrocarbon ( $x$ ) containing three primary carbon atoms and with molar mass 72 g mol $^{-1}$ .EasySingle correct
6 Apr 2026, Shift 1 · Q64Given below are two statements: Statement I: 2,6-diethylcyclohexanone and 6-methyl-2-n-propylcyclohexanone are metamers. Statement II:…MediumTwo statements
3 Apr 2025, Shift 1 · Q64Identify the correct statements from the following. A. [structure: pentan-3-one (skeletal, C=O at the middle carbon)] and [structure:…MediumOtherHas a figure
18 Mar 2021, Shift 1 · Q42Compound with molecular formula $\mathrm{C_3H_6O}$ can show :EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.