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Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceOtherMediumConceptual

JEE Main 10 April 2023, Shift 2, Chemistry Q76

Question 76 of 90 in this shift, Chemistry question 16 of 30, Section A.

The correct order for acidity of the following hydroxyl compound is : A. CH3OH\mathrm{CH_3OH} B. (CH3)3COH\mathrm{(CH_3)_3COH} C. phenol (C6H5−OH\mathrm{C_6H_5-OH}) D. MeO−C6H4−OH\mathrm{MeO-C_6H_4-OH} (para) E. O2N−C6H4−OH\mathrm{O_2N-C_6H_4-OH} (para) Choose the correct answer from the options given below:

The figure, in words

Structures: A CH3OH; B (CH3)3COH; C phenol (benzene ring with OH); D benzene ring with MeO and OH para; E benzene ring with O2N and OH para.
  1. (1)E > C > D > A > BOfficial answer
  2. (2)E > D > C > B > A
  3. (3)D > E > C > A > B
  4. (4)C > E > D > B > A

Official answer

Option 1

NTA final key.

Idea tested
Phenol Acidity

Same idea in other shifts

Asked 2× in all
  1. 27 Jan 2024, Shift 1 · Q75The ascending order of acidity of −-OH group in the following compounds is : (A) Bu−-OH (B) [p-nitrophenol: O2N\mathrm{O_2N} at para…MediumSingle correctHas a figure

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.