Question

Which of the following pairs of gases corresponds to the ratio of the rates of diffusion as √2:1

Answer 1

helium and hydrogen

Explanation:

r1/r2 =√m2/√m1 so √2/ 1 =√m2/√m1 squaring on both sides 2/1=m2/ m1

Answer 2

Answer:

H2 AND HE

FULL FORM IS

HYDROGEN AND HELIUM