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Friday, 9 October

JEE Main 2022 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 28 July 2022, Shift 1, Chemistry Q72

Question 72 of 90 in this shift, Chemistry question 12 of 30, Section A.

Match List - I with List - II. List - I | List - II (A) [figure: five-membered saturated ring containing one O atom (tetrahydrofuran-type)] | (I) Spiro compound (B) [figure: bicyclic skeleton drawn as a bowtie/X shape with a vertical bond in the middle] | (II) Aromatic compound (C) [figure: two rings joined through a single shared carbon, bowtie shape with two vertical side bonds] | (III) Non-planar Heterocyclic compound (D) [figure: five-membered ring containing one O atom and two C=C double bonds (furan)] | (IV) Bicyclo compound Choose the correct answer from the options given below :

The figure, in words

List-I entries A-D are ring/skeletal structures: A saturated 5-membered O-heterocycle (THF-type), B bicyclic X-shaped skeleton, C spiro-type skeleton, D furan (5-membered O ring with two double bonds).
  1. (1)(A) - (II), (B) - (I), (C) - (IV), (D) - (III)
  2. (2)(A) - (IV), (B) - (III), (C) - (I), (D) - (II)
  3. (3)(A) - (III), (B) - (IV), (C) - (I), (D) - (II)Official answer
  4. (4)(A) - (IV), (B) - (III), (C) - (II), (D) - (I)

Official answer

Option 3

NTA final key (2022 Session 2).

Chapter
Organic Chemistry: Some Basic Principles and Techniques
Topic
IUPAC Nomenclature
Idea tested
Bicyclo and Spiro Nomenclature

Same topic in other shifts

All IUPAC Nomenclature questions
  1. 2 Apr 2026, Shift 1 · Q65In IUPAC nomenclature, the correct order of decreasing priority of functional group is :EasySingle correct
  2. 3 Apr 2025, Shift 2 · Q66What is the correct IUPAC name of [structure] ?EasyDiagram basedHas a figure
  3. 4 Apr 2025, Shift 2 · Q64The IUPAC name of the following compound is : HC≡C−CH2−CH(OH)−CH2−CH=CH2\mathrm{HC\equiv C-CH_2-CH(OH)-CH_2-CH=CH_2}MediumSingle correct
  4. 7 Apr 2025, Shift 1 · Q65Which of the following is the correct IUPAC name of given organic compound (X)?EasySingle correctHas a figure
  5. 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
  6. 8 Apr 2024, Shift 1 · Q74Given below are two statements: Statement I: [figure: Compound A, a benzene ring bearing Cl, and two NO2\mathrm{NO_2} groups] IUPAC name of…EasyTwo statementsHas 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 42 of the 174 JEE Main shifts held from 2017 to 2026.