Learn

Saturday, 31 October

JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 3 September 2020, Shift 1, Chemistry Q35

Question 35 of 75 in this shift, Chemistry question 10 of 25.

Aqua regia is used for dissolving noble metals (Au, Pt, etc.). The gas evolved in this process is :
  1. (1)N2O3\mathrm{N_2O_3}
  2. (2)NOOfficial answer
  3. (3)N2O5\mathrm{N_2O_5}
  4. (4)N2\mathrm{N_2}

Official answer

Option 2

NTA final key (Sep 2020).

Chapter
The d- and f-Block Elements
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.