Learn

Saturday, 31 October

JEE Main · Chemistry · States of Matter

Ideal Gas Equation

JEE Main asked Ideal Gas Equation 10 times in 9 of the 108 shifts Lumi analysed, in 2021 and 2022. It belongs to Ideal Gas Laws, in States of Matter (Chemistry). The longest wait between two years asking it was 1 year. In 2021 and 2022 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
10
in 9 shifts
Years
2 of 8
First asked
2021
last in 2022
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021 and 2022. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.150.30’170’200.10’210.24’220’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 3 in 24 shifts · 2022: 7 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20240 of 18
  • 20230 of 12
  • 202226 of 24
  • 20213 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Numerical value is the usual form. Skill tested: calculation.

  • Mass of gas from pv=nrt
  • Composition of gas mixture from pv=nrt

Difficulty

Easy 2Medium 8Hard 0

7 of the 10 questions had a numerical answer.

Every question

All 10 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 29 Jun 2022, Shift 2 · Q81A box contains 0.90 g of liquid water in equilibrium with water vapour at 27°C. The equilibrium vapour pressure of water at 27°C is 32.0…MediumNumerical value
  2. 27 Jun 2022, Shift 1 · Q50A mixture of hydrogen and oxygen has volume 2000 cm32000\ \mathrm{cm^3}, temperature 300 K, pressure 100 kPa and mass 0.76 g. The ratio of…MediumSingle correct
  3. 26 Jun 2022, Shift 1 · Q62An evacuated glass vessel weighs 40.0 g when empty, 135.0 g when filled with a liquid of density 0.95 g mL−1^{-1} and 40.5 g when filled…MediumSingle correct
  4. 26 Jun 2022, Shift 1 · Q852.0 g of H2\mathrm{H_2} gas is adsorbed on 2.5 g of platinum powder at 300 K and 1 bar pressure. The volume of the gas adsorbed per gram…MediumNumerical value
  5. 24 Jun 2022, Shift 2 · Q81At 300 K, a sample of 3.0 g of gas A occupies the same volume as 0.2 g of hydrogen at 200 K at the same pressure. The molar mass of gas A…MediumNumerical value
  6. 26 Jul 2022, Shift 2 · Q81A 10 g mixture of hydrogen and helium is contained in a vessel of capacity 0.0125 m3\mathrm{m^3} at 6 bar and 27°C. The mass of helium in…MediumNumerical value
  7. 25 Jul 2022, Shift 2 · Q82A sealed flask with a capacity of 2 dm3^3 contains 11 g of propane gas. The flask is so weak that it will burst if the pressure becomes 2…MediumNumerical value
  8. 25 Jul 2021, Shift 1 · Q52A home owner uses 4.00×103 m34.00\times10^3\ \mathrm{m^3} of methane (CH4\mathrm{CH_4}) gas, (assume CH4\mathrm{CH_4} is an ideal gas) in a year to…EasyNumerical value
  9. 24 Feb 2021, Shift 2 · Q52The volume occupied by 4.75 g of acetylene gas at 50∘50^\circC and 740 mmHg pressure is __________ L. (Rounded off to the nearest integer)…EasyNumerical value
  10. 31 Aug 2021, Shift 2 · Q7A mixture of hydrogen and oxygen has volume 500500 cm3^3, temperature 300300 K, pressure 400400 kPa and mass 0.760.76 g. The ratio of masses…MediumSingle correct

Shifts: 24 Feb 2021, Shift 2, 25 Jul 2021, Shift 1, 31 Aug 2021, Shift 2, 24 Jun 2022, Shift 2, 26 Jun 2022, Shift 1, 27 Jun 2022, Shift 1, 29 Jun 2022, Shift 2, 25 Jul 2022, Shift 2, 26 Jul 2022, Shift 2.

Same topic

Other ideas in Ideal Gas Laws

Ideal Gas Laws has 11 ideas JEE Main has asked; 6 of them came up in more than one question.

Topic analysisChapter analysisAll repeated ideas