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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceMatch the listMediumApplication

JEE Main 22 July 2021, Shift 2, Chemistry Q31

Question 31 of 90 in this shift, Chemistry question 1 of 30, Section A.

Match List - I with List - II : List - I (Species) List - II (Hybrid Orbitals) (a) SF4\mathrm{SF_4} (i) sp3d2sp^3d^2 (b) IF5\mathrm{IF_5} (ii) d2sp3d^2sp^3 (c) NO2+\mathrm{NO_2^+} (iii) sp3dsp^3d (d) NH4+\mathrm{NH_4^+} (iv) sp3sp^3 (v) spsp Choose the correct answer from the options given below :
  1. (1)(a)-(i), (b)-(ii), (c)-(v) and (d)-(iii)
  2. (2)(a)-(iii), (b)-(i), (c)-(v) and (d)-(iv)Official answer
  3. (3)(a)-(ii), (b)-(i), (c)-(iv) and (d)-(v)
  4. (4)(a)-(iv), (b)-(iii), (c)-(ii) and (d)-(v)

Official answer

Option 2

NTA final key.

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

Same idea in other shifts

Asked 14× in all
  1. 5 Apr 2026, Shift 1 · Q71Consider the following species: BrF5\mathrm{BrF_5}, XeF5−\mathrm{XeF_5^-}, BF4−\mathrm{BF_4^-}, ICl4−\mathrm{ICl_4^-}, XeF4\mathrm{XeF_4},…MediumNumerical value
  2. 6 Apr 2026, Shift 2 · Q53Given below are two statements : Statement I : The number of compounds among SO2\mathrm{SO_2}, SO3\mathrm{SO_3}, SF4\mathrm{SF_4},…HardTwo statements
  3. 7 Apr 2025, Shift 1 · Q58Match the LIST-I with LIST-I LIST-I (Molecule / ion) | LIST-II (Bond pair : lone pair (on the central atom)) A. ICl2−\mathrm{ICl_2^-} | I. 4…MediumMatch the list
  4. 7 Apr 2025, Shift 2 · Q58In SO2\mathrm{SO_2}, NO2−\mathrm{NO_2^-} and N3−\mathrm{N_3^-} the hybridizations at the central atom are respectively :EasySingle correct
  5. 4 Apr 2024, Shift 1 · Q68Number of molecules/ions from the following in which the central atom is involved in sp3\mathrm{sp^3} hybridization is ________.…MediumSingle correct
  6. 6 Apr 2024, Shift 2 · Q62Given below are two statements : Statement I : PF5\mathrm{PF_5} and BrF5\mathrm{BrF_5} both exhibit sp3dsp^3d hybridisation. Statement II :…MediumTwo statements
  7. 6 Apr 2024, Shift 2 · Q82Total number of species from the following with central atom utilising sp2\mathrm{sp^2} hybrid orbitals for bonding is ________.…MediumNumerical value
  8. 9 Apr 2024, Shift 1 · Q62In which one of the following pairs the central atoms exhibit sp2sp^2 hybridization ?EasySingle correct

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 108 of the 174 JEE Main shifts held from 2017 to 2026.