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Saturday, 31 October

JEE Main 2023 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 10 April 2023, Shift 2, Chemistry Q86

Question 86 of 90 in this shift, Chemistry question 26 of 30, Section B.

The specific conductance of 0.0025 M acetic acid is 5×10−55 \times 10^{-5} S cm−1\mathrm{S\ cm^{-1}} at a certain temperature. The dissociation constant of acetic acid is ____________ ×10−7\times 10^{-7}. (Nearest integer) Consider limiting molar conductivity of CH3COOH\mathrm{CH_3COOH} as 400 S cm2 mol−1\mathrm{S\ cm^2\ mol^{-1}}

Official answer

66

NTA final key.

Chapter
Electrochemistry
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.