Q.

Since the atomic weights of carbon nitrogen and oxygen are 12, 14 and 16 respectively, among the following pairs of gases, the pair that will diffuse at the same rate is :

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a

CO2 and N2O

b

CO2 and N2O3

c

CO2 and CO

d

CO2 and NO

answer is A.

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Detailed Solution

CO2 and N2O ,both having same molecular mass of 44 .

rCO2rN2O=4444=1

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