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Saturday, 31 October

JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 29 July 2022, Shift 1, Chemistry Q85

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

If O2\mathrm{O_2} gas is bubbled through water at 303 K, the number of millimoles of O2\mathrm{O_2} gas that dissolve in 1 litre of water is __________. (Nearest Integer) (Given : Henry’s Law constant for O2\mathrm{O_2} at 303 K is 46.82 k bar and partial pressure of O2\mathrm{O_2} = 0.920 bar) (Assume solubility of O2\mathrm{O_2} in water is too small, nearly negligible)

Official answer

1

NTA final key.

Chapter
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Idea tested
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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.