NEET UG · Chemistry · Solutions
Positive and Negative Deviations
NEET asked Positive and Negative Deviations 3 times, in 2020, 2025 and 2026: 3 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Solutions and Colligative Properties, in Solutions (Chemistry). The longest wait between two papers asking it was 5 years.
Updated 2026-10-08
- Times asked
- 3
- in 2017–2026
- Papers
- 3
- of 10
- First asked
- 2020
- last in 2026
- Chance next paper
- 11%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2020, 2025 and 2026.
How NEET framed it
One-line MCQ is the usual form. Skill tested: calculation.
- Identify mixture showing deviation
- Count correct statements on solutions
Chance asked next paper 11%
Every question
All 3 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 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
- 2020 Q115The mixture which shows positive deviation from Raoult's law is :One-line MCQ · Medium
Same topic
Other ideas in Solutions and Colligative Properties
Solutions and Colligative Properties has 10 ideas NEET has asked; 5 of them came up in more than one question.
- Ideal Solutions2× · 2026
- Osmotic Pressure2× · 2024
- Concentration Terms2× · 2022
- Depression of Freezing Point2× · 2020
- Boiling-Point Elevation and van't Hoff Factoronce · 2025
- Types of Solutionsonce · 2025
- Henry's Lawonce · 2024
- Raoult's Law and Vapour Pressureonce · 2021
- Azeotropesonce · 2019