JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 26 June 2022, Shift 2, Chemistry Q85

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

The osmotic pressure exerted by a solution prepared by dissolving 2.0 g of protein of molar mass 60 kg

\mathrm{mol^{-1}}

in 200 mL of water at 27°C is __________ Pa.[integer value] (use R = 0.083 L bar

\mathrm{mol^{-1}\,K^{-1}}

)

Official answer

415

NTA final key.

Chapter: Solutions
Topic: Colligative Properties
Idea tested: Osmotic Pressure

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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.