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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 30 June 2022, Shift 1, Chemistry Q73

Question 73 of 90 in this shift, Chemistry question 13 of 30, Section A.

TLC analysis of a mixture having 3 components (A, B, C) using silica gel as the stationary phase gave following Rf\mathrm{R_f} values; for A=0.72, B=0.48, C=0.20. Regarding the above observations, which one of the following statements is not correct for column chromatography of the mixture ?
  1. (1)A is the most non-polar component
  2. (2)C is the most soluble component in mobile phaseOfficial answer
  3. (3)A will be eluted first
  4. (4)C is the most strongly absorbed component

Official answer

Option 2

NTA final key.

Chapter
Organic Chemistry: Some Basic Principles and Techniques
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.