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NEET CHEMISTRYGeneralMedium

Question

A gas at 350 K350\text{ K} and 15 bar15\text{ bar} has molar volume 2020 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z)(Z) is :

1

Z>1Z > 1 and attractive forces are dominant

2

Z>1Z > 1 and repulsive forces are dominant

3

Z<1Z < 1 and attractive forces are dominant

4

Z<1Z < 1 and repulsive forces are dominant

Step-by-Step Solution

Compressibility factor (Z)=VrealVideal(Z) = \frac{V_{real}}{V_{ideal}}. ∵Vreal<Videal\because V_{real} < V_{ideal}; Hence Z<1Z < 1. If Z<1Z < 1, attractive forces are dominant among gaseous molecules and liquefaction of gas will be easy.

Exam Context & Concepts Covered

This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from General. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

CHEMISTRYvolumepercentsmallerconditionscorrect

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