JEE Main 2025 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 4 April 2025, Shift 2, Chemistry Q64

Question 64 of 75 in this shift, Chemistry question 14 of 25, Section A.

The IUPAC name of the following compound is :

\mathrm{HC\equiv C-CH_2-CH(OH)-CH_2-CH=CH_2}

(1)Hept-1-en-6-yn-4-olOfficial answer
(2)Hept-6-en-1-yn-4-ol
(3)4-Hydroxyhept-1-en-6-yne
(4)4-Hydroxyhept-6-en-1-yne

Official answer

Option 1

NTA final key.

Chapter: Organic Chemistry: Some Basic Principles and Techniques
Topic: IUPAC Nomenclature
Idea tested: Alkene vs Alkyne Numbering Tiebreaker

Same topic in other shifts

All IUPAC Nomenclature questions

2 Apr 2026, Shift 1 · Q65In IUPAC nomenclature, the correct order of decreasing priority of functional group is :EasySingle correct
3 Apr 2025, Shift 2 · Q66What is the correct IUPAC name of [structure] ?EasyDiagram basedHas a figure
7 Apr 2025, Shift 1 · Q65Which of the following is the correct IUPAC name of given organic compound (X)?EasySingle correctHas a figure
8 Apr 2025, Shift 2 · Q63What is the correct IUPAC name of [structure: cyclopentene ring with an ethyl group on one ring carbon and an OH group on another] ?MediumSingle correctHas a figure
8 Apr 2024, Shift 1 · Q74Given below are two statements: Statement I: [figure: Compound A, a benzene ring bearing Cl, and two $\mathrm{NO_2}$ groups] IUPAC name of…EasyTwo statementsHas a figure
30 Jan 2024, Shift 2 · Q74IUPAC name of following compound is : $\mathrm{CH_3-CH-CH_2-CN}$ with $\mathrm{NH_2}$ on the CH carbonEasySingle correctHas a figure

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.