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Saturday, 31 October

JEE Main 2020 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 4 September 2020, Shift 2, Chemistry Q47

Question 47 of 75 in this shift, Chemistry question 22 of 25.

The osmotic pressure of a solution of NaCl is 0.10 atm and that of a glucose solution is 0.20 atm. The osmotic pressure of a solution formed by mixing 1 L of the sodium chloride solution with 2 L of the glucose solution is x×10−3x \times 10^{-3} atm. xx is __________. (nearest integer)

Official answer

167.00

NTA final key (Sep 2020).

Chapter
Solutions
Topic
Colligative Properties
Idea tested
Osmotic Pressure of Mixed Solutions

Same idea in other shifts

Asked 2× in all
  1. 2 Apr 2026, Shift 2 · Q55Solution A is prepared by dissolving 1 g of a protein (molar mass = 50000 g mol−1^{-1}) in 0.5 L of water at 300 K. Its osmotic pressure…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 108 of the 174 JEE Main shifts held from 2017 to 2026.