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Friday, 9 October

NEET UG 2025 · Chemistry · Question 70

NEET 2025 Chemistry, question 70

Question 70 of the NEET 2025 paper (code 45) is a Chemistry question from Aldehydes, Ketones and Carboxylic Acids. Its idea, Acidity of Carboxylic Acids, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q70 · Chemistry

The correct order of decreasing acidity of the following aliphatic acids is :

  1. 1(CH3)3CCOOH>(CH3)2CHCOOH>CH3COOH>HCOOH(CH_3)_3CCOOH > (CH_3)_2CHCOOH > CH_3COOH > HCOOH
  2. 2CH3COOH>(CH3)2CHCOOH>(CH3)3CCOOH>HCOOHCH_3COOH > (CH_3)_2CHCOOH > (CH_3)_3CCOOH > HCOOH
  3. 3HCOOH>CH3COOH>(CH3)2CHCOOH>(CH3)3CCOOHHCOOH > CH_3COOH > (CH_3)_2CHCOOH > (CH_3)_3CCOOHOfficial answer
  4. 4HCOOH>(CH3)3CCOOH>(CH3)2CHCOOH>CH3COOHHCOOH > (CH_3)_3CCOOH > (CH_3)_2CHCOOH > CH_3COOH

Official answer: option 3 · NTA final answer key

Same idea

The only question on Acidity of Carboxylic Acids

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

Acidity of 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.

Chapter analysisStudy this chapterPractise this chapter

Aldehydes, Ketones and Carboxylic Acids: questions per paper

0242’171’181’192’204’214’223’234’243’253’26