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Friday, 9 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 13 April 2023, Shift 2, Chemistry Q62

Question 62 of 90 in this shift, Chemistry question 2 of 30, Section A.

What happens when methane undergoes combustion in systems A and B respectively? System A: Adiabatic system System B: Diathermic container

The figure, in words

Two boxes labelled 'Adiabatic system' (System A) and 'Diathermic container' (System B).
  1. (1)System A: Temperature rises; System B: Temperature remains sameOfficial answer
  2. (2)System A: Temperature remains same; System B: Temperature rises
  3. (3)System A: Temperature falls; System B: Temperature rises
  4. (4)System A: Temperature falls; System B: Temperature remains same

Official answer

Option 1

NTA final key.

Chapter
Thermodynamics (Chemistry)
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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.