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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 6 April 2024, Shift 1, Chemistry Q75

Question 75 of 90 in this shift, Chemistry question 15 of 30, Section A.

Functional group present in sulphonic acids is :

The figure, in words

Option 4 is a drawn structure: –S–OH with an O double-bonded below S.
  1. (1)−SO2-\mathrm{SO_2}
  2. (2)−SO4H-\mathrm{SO_4H}
  3. (3)−SO3H-\mathrm{SO_3H}Official answer
  4. (4)[figure: –S–OH with =O drawn below the S, i.e. −S(=O)−OH-\mathrm{S(=O)-OH}]

Official answer

Option 3

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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.