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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 28 June 2022, Shift 2, Chemistry Q70

Question 70 of 90 in this shift, Chemistry question 10 of 30, Section A.

Among the given oxides of nitrogen ; N2O\mathrm{N_2O}, N2O3\mathrm{N_2O_3}, N2O4\mathrm{N_2O_4} and N2O5\mathrm{N_2O_5}, the number of compound/(s) having N−N\mathrm{N-N} bond is :
  1. (1)1
  2. (2)2
  3. (3)3Official answer
  4. (4)4

Official answer

Option 3

NTA final key.

Chapter
The p-Block Elements
Topic
Group 15 & 16
Idea tested
Nitrogen Oxides Structure

Same idea in other shifts

Asked 5× in all
  1. 6 Apr 2023, Shift 1 · Q69Match List I with List II LIST I (Oxide) | LIST II (Type of bond) A. N2O4\mathrm{N_2O_4} | I. 1 N = O bond B. NO2\mathrm{NO_2} | II. 1 N – O…MediumMatch the list
  2. 27 Jul 2022, Shift 1 · Q83Amongst the following, the number of oxide(s) which are paramagnetic in nature is Na2O,KO2,NO2,N2O,ClO2,NO,SO2,Cl2O\mathrm{Na_2O, KO_2, NO_2, N_2O, ClO_2, NO, SO_2, Cl_2O}MediumNumerical value
  3. 26 Jun 2022, Shift 2 · Q67The oxide which contains an odd electron at the nitrogen atom isEasySingle correct
  4. 17 Mar 2021, Shift 2 · Q38The set that represents the pair of neutral oxides of nitrogen is :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.