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If the ratio of the rates of diffusion of two gases A and B is 4 : 1. Then the ratio of their densities in the same order is
Options
(a) 16 : 1
(b) 4 : 1
(c) 1 : 4
(d) 1 : 16
Correct Answer:
1 : 16
Explanation:
Rate of diffusion ∝ 1 / √d. rA / rB = √dB / dA ⇒ 4 / 1 = √dB / dA ⇒ 16 / 1 = dB / dA ⇒ dA / dB = 1 / 16.
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Subject: Chemistry
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According to Graham’s law of diffusion,
RA/RB=√dB/dA
or,(4/1)2=dB/dA
or,16/1=dB/dA
or,dA:dB= 1:16