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Friday, 9 October

JEE Main 2023 · ChemistryMultiple choiceMatch the listEasyRecall

JEE Main 11 April 2023, Shift 1, Chemistry Q62

Question 62 of 90 in this shift, Chemistry question 2 of 30, Section A.

Match List-I with List-II : List-I Species | List-II Geometry/Shape A. H3O+\mathrm{H_3O^+} | I. Tetrahedral B. Acetylide anion | II. Linear C. NH4+\mathrm{NH_4^+} | III. Pyramidal D. ClO2−\mathrm{ClO_2^-} | IV. Bent Choose the correct answer from the options given below:
  1. (1)A-III, B-II, C-I, D-IVOfficial answer
  2. (2)A-III, B-I, C-II, D-IV
  3. (3)A-III, B-IV, C-I, D-II
  4. (4)A-III, B-IV, C-II, D-I

Official answer

Option 1

NTA final key.

Chapter
Chemical Bonding and Molecular Structure
Topic
VSEPR Theory
Idea tested
Steric Number 4 Shapes

Same idea in other shifts

Asked 3× in all
  1. 8 Apr 2024, Shift 1 · Q62Match List I with List II LIST I (Molecule): A. NH3\mathrm{NH_3}; B. BrF5\mathrm{BrF_5}; C. PCl5\mathrm{PCl_5}; D. CH4\mathrm{CH_4} LIST II…EasyMatch the list
  2. 31 Jan 2024, Shift 1 · Q83The number of species from the following in which the central atom uses sp3\mathrm{sp^3} hybrid orbitals in its bonding is _________.…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 42 of the 174 JEE Main shifts held from 2017 to 2026.