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Saturday, 31 October

JEE Main 2020 · ChemistryMultiple choiceDiagram basedMediumData or graph

JEE Main 2 September 2020, Shift 1, Chemistry Q31

Question 31 of 75 in this shift, Chemistry question 6 of 25.

Which one of the following graphs is not correct for ideal gas ? dd = Density, PP = Pressure, TT = Temperature

The figure, in words

Four small graphs of density d: I - d vs T, decreasing curve (hyperbola-like); II - d vs T, straight line rising; III - d vs 1/T, straight line rising; IV - d vs P, straight line rising.
  1. (1)I
  2. (2)IIOfficial answer
  3. (3)III
  4. (4)IV

Official answer

Option 2

NTA final key (Sep 2020).

Chapter
States of Matter
Topic
Ideal Gas Laws
Idea tested
Graphical Analysis of Gas Laws

Same topic in other shifts

All Ideal Gas Laws questions
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  6. 8 Apr 2023, Shift 1 · Q81[figure: three bulbs joined by pipes with stopcocks] Three bulbs are filled with CH4\mathrm{CH_4}, CO2\mathrm{CO_2} and Ne as shown in the…MediumNumerical valueHas a figure

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 108 of the 174 JEE Main shifts held from 2017 to 2026.