Question

ASSERTION - rate of diffusion of a gas is directly proportional to square root of it's molar weight.

REASON - gases migrate from region of low concentration to a region of high concentration.

a) both assertion and reason are true and the reason is the correct explanation for assertion.

c) both assertion and reason are true but the reason is not the correct explanation for assertion.

d) Assertion is true but reason is false.

e) both assertion and reason are false.​

Answer 1

a) both assertion and reason are true and the reason is the correct explanation for assertion.