States of Matter - Result Question 10

####10. From a heated mixture of nitrogen, oxygen and carbon, two compounds (out of the many obtained) are isolated. The rates of diffusion of the two isolated compounds are almost identical. The two compounds are

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(a) N2O and CO2

(b) CO and NO

(c) CO2 and NO2

(d) N2O and CO

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Solution:

  1. (a) Rate of diffusion depend upon molecular weight

r1r2=M2M1r1=r2 if M1=M2

Hence compounds are N2O and CO2 as both have same molar mass i.e. 22



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