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Friday, 9 October

JEE Main Chemistry · Thermodynamics (Chemistry)

Relation Between ΔH and ΔU

Relation Between ΔH and ΔU (Thermodynamics (Chemistry)) was asked 2 times in 2 JEE Main shifts, 2020–2022, out of the 42 shifts Lumi analysed. 1 of the 2 had a numerical answer.

Times asked
2
in 2 shifts
Years
2020–2022
Usual format
Numerical value
Calculation
Pattern
Occasional
repeats across shifts

How it is asked

  • Identify incorrect thermodynamic relation
  • Internal energy change on vaporisation

Difficulty

Easy 2Medium 0Hard 0

Where it sits

Chapter: Thermodynamics (Chemistry). Topic: Enthalpy and Hess's Law, 24 questions over 14 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 28 Jul 2022, Shift 1 · Q62Which of the following relation is not correct ?EasySingle correct
  2. 2 Sep 2020, Shift 1 · Q46The internal energy change (in J) when 90 g of water undergoes complete evaporation at 100∘100^\circC is ______. (Given : ΔHvap\Delta H_{vap}…EasyNumerical value