NEET UG 2025 · Chemistry · Question 78
NEET 2025 Chemistry, question 78
Question 78 of the NEET 2025 paper (code 45) is a Chemistry question from Aldehydes, Ketones and Carboxylic Acids. Its idea, Grignard Addition to Carbonyls, was asked twice, in 2021 and 2025, across NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q78 · Chemistry
The major product of the following reaction is :
The figure, described in words
Reactant and all four options are bond-line structures; reactant is 4-oxo-4-phenylbutanenitrile.
- 1[structure: C6H5–C(CH3)(OH)–CH2–CH2–CN]
- 2[structure: C6H5–C(CH3)(OH)–CH2–CH2–CO–CH3]Official answer
- 3[structure: C6H5–C(CH3)(OH)–CH2–CH2–C(OH)(CH3)2]
- 4[structure: C6H5–CO–CH2–CH2–CO–CH3]
Official answer: option 2 · NTA final answer key
Same idea
Grignard Addition to Carbonyls, in other papers
NEET asked this idea twice, in 2021 and 2025. The other question below.
- 2021 Q66What is the IUPAC name of the organic compound formed in the following chemical reaction ?…One-line MCQ · Medium
Grignard Addition to Carbonyls: 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.