JEE Main 2024 · ChemistryNumerical answerNumerical valueMediumRecall

JEE Main 4 April 2024, Shift 1, Chemistry Q88

Question 88 of 90 in this shift, Chemistry question 28 of 30, Section B.

The number of different chain isomers for

\mathrm{C_7H_{16}}

is ________.

Official answer

NTA final key.

Chapter: Organic Chemistry: Some Basic Principles and Techniques
Topic: Structural Isomerism
Idea tested: Enumeration of Structural Isomers

Same idea in other shifts

Asked 5× in all

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
25 Jul 2022, Shift 2 · Q90The total number of monobromo derivatives formed by the alkanes with molecular formula $\mathrm{C_5H_{12}}$ is (excluding stereo isomers)…MediumNumerical value
30 Jul 2022, Shift 2 · Q59The number of isomeric compounds (structural isomers only) possible with the molecular formula $\mathrm{C_5H_{10}O_2}$ , which do not react…HardNumerical value
22 Jul 2021, Shift 2 · Q59The number of acyclic structural isomers (including geometrical isomers) for pentene are ________.MediumNumerical value

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 108 of the 174 JEE Main shifts held from 2017 to 2026.