NEET UG 2019 · Chemistry · Question 84
NEET 2019 Chemistry, question 84
Question 84 of the NEET 2019 paper (code P1) is a Chemistry question from States of Matter. Its idea, Compressibility Factor, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q84 · Chemistry
A gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z) is :
- 1Z > 1 and attractive forces are dominant
- 2Z > 1 and repulsive forces are dominant
- 3Z < 1 and attractive forces are dominantOfficial answer
- 4Z < 1 and repulsive forces are dominant
Official answer: option 3 · NTA final answer key
Same idea
The only question on Compressibility Factor
No other NEET paper from 2017–2026 tested this exact idea.
Compressibility Factor: every question and how it was framed
The chapter
States of Matter in ten years of NEET
10 questions from 2017–2026, asked in 6 of 10 papers, about 0.9 a paper. Ideal Gas Law alone had 10.