For real gases van der Waals equation is written asPV-nb) n RT, where 'a' and 'b' are vander Waals constants. Two sets of gases are(l)02. co, H2 and He(lI) CH4, O2 and H2The gases given in set-l in increasing order of 'b'andgases given in set-ll in decreasing order of 'a', arearranged below. Select the correct order from thefollowing:AIPMT (Mains)-2012](1) (1) He < H2 sCO2s02 (11) CH>H2>2(2) (I) O2 He < H2 < CO2 (II) H2 > 02 > CH4(3) (I) H2 < He < O2 < CO2 (II) CH, > 02 > H2

For real gases van der Waals equation is written asPV-nb) n RT, where

1.	For real gases van der Waals equation is written asPV-nb) n RT, where 'a' and 'b' are vander Waals constants. Two sets of gases are(l)02. co, H2 and He(lI) CH4, O2 and H2The gases given in set-l in increasing order of 'b'andgases given in set-ll in decreasing order of 'a', arearranged below. Select the correct order from thefollowing:AIPMT (Mains)-2012](1) (1) He < H2 sCO2s02 (11) CH>H2>2(2) (I) O2 He < H2 < CO2 (II) H2 > 02 > CH4(3) (I) H2 < He < O2 < CO2 (II) CH, > 02 > H2
Answer» so, option 3 is correct answer.