Precisely 1 mol of helium and 1 mol of neon are placed in a…

Chemistry Gaseous State ( Not In Syllabus ) Kinetic Molecular Theory of Gases and Molecular Collisions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Precisely 1 mol of helium and 1 mol of neon are placed in a container. Indicate the correct statements about the system.

Molecules of the two gases strike the wall of the container with same frequency.

Molecules of helium strike the wall more frequently.

Molecules of helium have greater average molecular speed.

Helium exerts larger pressure.

Text Solution

Verified by Experts

The correct answer is:

CHECK THE SOLUTION.

(b,c)Helium gas has lower molecular mass and hence it moves faster than neon and strikes the wall more frequently.

U av =

U av ∝

Hence, He has higher speed than neon.

Previous Question Next Question

Get practice questions, solutions, and test series in one place.

Share your experience with this question and solution.

Send your comment, doubt, correction, or feedback to admin.

What students say about this solution

No reviews yet. Be the first to write a review.