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Friday, 9 October

NEET UG 2020 · Chemistry · Question 115

NEET 2020 Chemistry, question 115

Question 115 of the NEET 2020 paper (code E1) is a Chemistry question from Solutions. Its idea, Positive and Negative Deviations, was asked 3 times, in 2020, 2025 and 2026, across NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q115 · Chemistry

The mixture which shows positive deviation from Raoult's law is :

  1. 1Ethanol + AcetoneOfficial answer
  2. 2Benzene + Toluene
  3. 3Acetone + Chloroform
  4. 4Chloroethane + Bromoethane

Official answer: option 1 · NTA final answer key

Same idea

Positive and Negative Deviations, in other papers

NEET asked this idea 3 times, in 2020, 2025 and 2026. The other 2 questions below.

  • 2026 Q71Consider the following statements about the solutions formed by mixing two liquids. A. An ideal solution thus formed obeys Raoult's law…Other · Medium
  • 2025 Q815 moles of liquid X and 10 moles of liquid Y make a solution having a vapour pressure of 70 torr. The vapour pressures of pure X and Y are…One-line MCQ · Medium

Positive and Negative Deviations: every question and how it was framed

The chapter

Solutions in ten years of NEET

16 questions from 2017–2026, asked in 8 of 10 papers, about 1.6 a paper. Solutions and Colligative Properties alone had 16.

Solutions: questions per paper

0242’170’182’192’202’211’220’232’243’252’26