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Friday, 9 October

NEET UG 2021 · Chemistry · Question 62

NEET 2021 Chemistry, question 62

Question 62 of the NEET 2021 paper (code O1) is a Chemistry question from Electrochemistry. Its idea, Kohlrausch's Law, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q62 · Chemistry

The molar conductance of NaCl, HCl and CH3COONa\mathrm{CH_3COONa} at infinite dilution are 126.45, 426.16 and 91.0 S cm2 mol−1\mathrm{cm^{2}\ mol^{-1}} respectively. The molar conductance of CH3COOH\mathrm{CH_3COOH} at infinite dilution is. Choose the right option for your answer.

  1. 1698.28 S cm2 mol−1\mathrm{cm^{2}\ mol^{-1}}
  2. 2540.48 S cm2 mol−1\mathrm{cm^{2}\ mol^{-1}}
  3. 3201.28 S cm2 mol−1\mathrm{cm^{2}\ mol^{-1}}
  4. 4390.71 S cm2 mol−1\mathrm{cm^{2}\ mol^{-1}}Official answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Kohlrausch's Law

No other NEET paper from 2017–2026 tested this exact idea.

Kohlrausch's Law: every question and how it was framed

The chapter

Electrochemistry in ten years of NEET

17 questions from 2017–2026, asked in 10 of 10 papers, about 1.6 a paper. Electrolytic Conductance and Electrolysis alone had 8.

Chapter analysisStudy this chapterPractise this chapter

Electrochemistry: questions per paper

0241’171’182’192’202’212’222’232’241’252’26