NEET UG 2021 · Chemistry · Question 88
NEET 2021 Chemistry, question 88
Question 88 of the NEET 2021 paper (code O1) is a Chemistry question from Aldehydes, Ketones and Carboxylic Acids. Its idea, Gattermann-Koch and Named-Reaction Matching, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q88 · Chemistry
Match List - I with List - II.
| List - I | List - II |
|---|---|
| (a) Benzene | (i) Hell-Volhard-Zelinsky reaction |
| (b) | (ii) Gattermann-Koch reaction |
| (c) | (iii) Haloform reaction |
| (d) | (iv) Esterification |
Choose the correct answer from the options given below.
The figure, described in words
Stem: List-I reactions drawn with a benzene ring (CO, HCl, anhyd AlCl3/CuCl) and ketone R-CO-CH3 structural formulas with reagents; partly drawn structures, rest typed.
- 1(a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
- 2(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)Official answer
- 3(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
- 4(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
Official answer: option 2 · NTA final answer key
Same idea
The only question on Gattermann-Koch and Named-Reaction Matching
No other NEET paper from 2017–2026 tested this exact idea.
Gattermann-Koch and Named-Reaction Matching: every question and how it was framed
The chapter
Aldehydes, Ketones and Carboxylic Acids in ten years of NEET
27 questions from 2017–2026, asked in 10 of 10 papers, about 2.6 a paper. Aldehydes, Ketones and Carboxylic Acids alone had 22.