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Friday, 9 October

JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 25 July 2022, Shift 1, Chemistry Q81

Question 81 of 90 in this shift, Chemistry question 21 of 30, Section B.

Among the following species N2, N2+, N2−, N22−, O2, O2+, O2−, O22−\mathrm{N_2,\ N_2^{+},\ N_2^{-},\ N_2^{2-},\ O_2,\ O_2^{+},\ O_2^{-},\ O_2^{2-}} the number of species showing diamagnesim is ______ .

Official answer

2

NTA final key (2022 Session 2).

Chapter
Chemical Bonding and Molecular Structure
Topic
Molecular Orbital Theory
Idea tested
Magnetic Property Prediction

Same idea in other shifts

Asked 4× in all
  1. 9 Apr 2024, Shift 1 · Q82The total number of species from the following in which one unpaired electron is present, is ________.…MediumNumerical value
  2. 28 Jul 2022, Shift 1 · Q83The number of paramagnetic species among the following is __________.…MediumNumerical value
  3. 2 Apr 2017 (offline) · Q42Which of the following species is **not** paramagnetic ?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 42 of the 174 JEE Main shifts held from 2017 to 2026.