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Saturday, 31 October

JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 27 July 2022, Shift 2, Chemistry Q88

Question 88 of 90 in this shift, Chemistry question 28 of 30, Section B.

The number of molecule(s) or ion(s) from the following having non-planar structure is __________. NO3−\mathrm{NO_3^-}, H2O2\mathrm{H_2O_2}, BF3\mathrm{BF_3}, PCl3\mathrm{PCl_3}, XeF4\mathrm{XeF_4}, SF4\mathrm{SF_4}, XeO3\mathrm{XeO_3}, PH4+\mathrm{PH_4^+}, SO3\mathrm{SO_3}, [Al(OH)4]−\mathrm{[Al(OH)_4]^-}

Official answer

6

NTA final key.

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

Same idea in other shifts

Asked 7× in all
  1. 4 Apr 2024, Shift 2 · Q68The number of species from the following that have pyramidal geometry around the central atom is ______…MediumSingle correct
  2. 6 Apr 2024, Shift 1 · Q62Match List I with List II LIST I (Molecule / Species) A. SO2Cl2\mathrm{SO_2Cl_2} B. NO C. NO2−\mathrm{NO_2^-} D. I3−\mathrm{I_3^-} LIST II…MediumMatch the list
  3. 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
  4. 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
  5. 11 Apr 2023, Shift 1 · Q62Match List-I with List-II : List-I Species | List-II Geometry/Shape A. H3O+\mathrm{H_3O^+} | I. Tetrahedral B. Acetylide anion | II. Linear…EasyMatch the list
  6. 15 Apr 2023, Shift 1 · Q63Consider the following statements: (A) NF3\mathrm{NF_3} molecule has a trigonal planar structure. (B) Bond length of N2\mathrm{N_2} is…MediumOther

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.