JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 25 July 2022, Shift 2, Chemistry Q82

Question 82 of 90 in this shift, Chemistry question 22 of 30, Section B.

A sealed flask with a capacity of 2 dm

^3

contains 11 g of propane gas. The flask is so weak that it will burst if the pressure becomes 2 MPa. The minimum temperature at which the flask will burst is _______

^\circ

C. [Nearest integer] (Given: R = 8.3 J K

^{-1}

mol

^{-1}

, Atomic masses of C and H are 12u and 1u, respectively.)(Assume that propane behaves as an ideal gas.)

Official answer

1655

NTA final key.

Chapter: States of Matter
Topic: Ideal Gas Laws
Idea tested: Ideal Gas Equation

Same idea in other shifts

Asked 10× in all

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