Learn

Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceDiagram basedMediumApplication

JEE Main 5 April 2024, Shift 2, Chemistry Q73

Question 73 of 90 in this shift, Chemistry question 13 of 30, Section A.

The correct nomenclature for the following compound is :

The figure, in words

Skeletal structure: CH2=CH−CH2−CH(OH)−CH2−CH(CHO)−COOH\mathrm{CH_2=CH-CH_2-CH(OH)-CH_2-CH(CHO)-COOH} (terminal vinyl group, then CH2, CH bearing OH, CH2, then a CH bearing a CHO group and a COOH group).
  1. (1)2-carboxy-4-hydroxyhept-7-enal
  2. (2)2-carboxy-4-hydroxyhept-6-enal
  3. (3)2-formyl-4-hydroxyhept-6-enoic acidOfficial answer
  4. (4)2-formyl-4-hydroxyhept-7-enoic acid

Official answer

Option 3

NTA final key.

Chapter
Organic Chemistry: Some Basic Principles and Techniques
Topic
IUPAC Nomenclature
Idea tested
Functional Group Priority

Same idea in other shifts

Asked 7× in all
  1. 2 Apr 2026, Shift 1 · Q65In IUPAC nomenclature, the correct order of decreasing priority of functional group is :EasySingle correct
  2. 7 Apr 2025, Shift 1 · Q65Which of the following is the correct IUPAC name of given organic compound (X)?EasySingle correctHas a figure
  3. 31 Jan 2024, Shift 1 · Q75Given below are two statements: Statement I: IUPAC name of HO−CH2−(CH2)3−CH2−COCH3\mathrm{HO-CH_2-(CH_2)_3-CH_2-COCH_3} is 7-hydroxyheptan-2-one. Statement II:…EasyTwo statements
  4. 8 Apr 2023, Shift 2 · Q72The correct IUPAC nomenclature for the following compound is: [structure: CH3−CO−CH2−CH2−CH(COOH)−CH3\mathrm{CH_3{-}CO{-}CH_2{-}CH_2{-}CH(COOH){-}CH_3}]EasySingle correctHas a figure
  5. 26 Jul 2022, Shift 2 · Q73The correct decreasing order of priority of functional groups in naming an organic compound as per IUPAC system of nomenclature isEasySingle correctHas a figure
  6. 2 Sep 2020, Shift 1 · Q39The IUPAC name for the following compound is :EasyDiagram basedHas 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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.