Eduprobe
Question:
The value of d in cm (shown in the figure), as estimated from Graham's law is: 8, 12, 16, 20
8
12
16
20
Solution:
From Graham's law of diffusion, r∝1/√M
XrY=d²/4
-d=√40/10=2
d=48
d³=48
d=16 cm