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Friday, 9 October

JEE Main 2024 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 29 January 2024, Shift 1, Chemistry Q85

Question 85 of 90 in this shift, Chemistry question 25 of 30, Section B.

For the reaction N2O4(g)⇌2NO2(g)\mathrm{N_2O_{4(g)} \rightleftharpoons 2NO_{2(g)}}, Kp\mathrm{K_p}= 0.492 atm at 300K. Kc\mathrm{K_c} for the reaction at same temperature is ________ ×10−2\times10^{-2}. (Given : R = 0.082 L atm mol−1^{-1} K−1^{-1})

Official answer

2

NTA final key.

Chapter
Equilibrium
Topic
Chemical Equilibrium
Idea tested
Kc and Kp Relationship

Same idea in other shifts

Asked 2× in all
  1. 6 Apr 2024, Shift 2 · Q63The ratio KPKC\frac{K_P}{K_C} for the reaction : CO(g)+12O2(g)⇌CO2(g)\mathrm{CO_{(g)}+\frac{1}{2}O_{2(g)}\rightleftharpoons CO_{2(g)}} is :EasySingle correct

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