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Friday, 9 October

NEET UG 2023 · Chemistry · Question 91

NEET 2023 Chemistry, question 91

Question 91 of the NEET 2023 paper (code G6) is a Chemistry question from Alcohols, Phenols and Ethers. Its idea, Acid-Catalysed Dehydration of Alcohols, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q91 · Chemistry

Which amongst the following will be most readily dehydrated under acidic conditions ?

The figure, described in words

Options drawn as skeletal (zig-zag) structures with NO2/OH substituents.

  1. 1[structure: CH3–CH(NO2)–CH2–CH2–CH(OH)–CH3]
  2. 2[structure: CH3–CH(NO2)–CH2–CH(OH)–CH3]
  3. 3[structure: CH3–CH(OH)–CH2–CH(OH)–CH3]Official answer
  4. 4[structure: CH3–CH(NO2)–CH(OH)–CH2OH]

Official answer: option 3 · NTA final answer key

Same idea

The only question on Acid-Catalysed Dehydration of Alcohols

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

Acid-Catalysed Dehydration of Alcohols: every question and how it was framed

The chapter

Alcohols, Phenols and Ethers in ten years of NEET

15 questions from 2017–2026, asked in 7 of 10 papers, about 1.4 a paper. Alcohols and Phenols alone had 15.

Alcohols, Phenols and Ethers: questions per paper

0242’174’182’192’200’212’222’231’240’250’26