NEET UG 2018 · Chemistry · Question 67
NEET 2018 Chemistry, question 67
Question 67 of the NEET 2018 paper (code AA) is a Chemistry question from Aldehydes, Ketones and Carboxylic Acids. Its idea, Physical Properties of Carbonyl Compounds and Carboxylic Acids, was asked twice, in 2018 and 2022, across NEET 2017–2026. The CBSE official answer key gives option 4.
Updated 2026-10-08
Q67 · Chemistry
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
- 1more extensive association of carboxylic acid via van der Waals force of attraction
- 2formation of carboxylate ion
- 3formation of intramolecular H-bonding
- 4formation of intermolecular H-bondingOfficial answer
Official answer: option 4 · CBSE official answer key
Same idea
Physical Properties of Carbonyl Compounds and Carboxylic Acids, in other papers
NEET asked this idea twice, in 2018 and 2022. The other question below.
- 2022 Q81Given below are two statements : Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable…Two statements · Medium
Physical Properties of Carbonyl Compounds and Carboxylic Acids: 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.