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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 29 July 2022, Shift 2, Chemistry Q72

Question 72 of 90 in this shift, Chemistry question 12 of 30, Section A.

Dinitrogen is a robust compound, but reacts at high altitudes to form oxides. The oxide of nitrogen that can damage plant leaves and retard photosynthesis is
  1. (1)NO
  2. (2)NO3 −\mathrm{NO_3^{\,-}}
  3. (3)NO2\mathrm{NO_2}Official answer
  4. (4)NO2 −\mathrm{NO_2^{\,-}}

Official answer

Option 3

NTA final key.

Chapter
Environmental Chemistry
Topic
Environmental Chemistry
Idea tested
NO2 and Traffic Red Haze

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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.