Question

Which gas has least rate of diffusion?​

Answer 1

Answer:

Which gas has least rate of diffusion?

Hope it helps you!!

Answer 2

Answer:

Carbon dioxide.

Explanation:

Rate of diffusion depends on molecular mass, temperature and concentration gradient.

The largest the relative molecular mass of a gas molecule, the least it diffuses.

As Carbon dioxide has the greater molecular mass that is 44g, as compare to ammonia , oxygen and etc.