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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceTwo statementsEasyApplication

JEE Main 31 January 2024, Shift 1, Chemistry Q75

Question 75 of 90 in this shift, Chemistry question 15 of 30, Section A.

Given 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: 2-oxoheptan-7-ol is the correct IUPAC name for above compound. In the light of the above statements, choose the most appropriate answer from the options given below:
  1. (1)Both Statement I and Statement II are correct.
  2. (2)Both Statement I and Statement II are incorrect.
  3. (3)Statement I is correct but Statement II is incorrect.Official answer
  4. (4)Statement I is incorrect but Statement II is correct.

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 5× 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. 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
  4. 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. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.