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Given the value of their van der Waals constant ‘a’ arrange the following gases in the order of their expected liquification pressure at a temperature T. T is below the critical point of all the gases. Gas CH 4 Kr N 2 Cl 2 ‘a’ 2.283 2.439 1.408 6.579 (atm L 2 .mol –1 ) (A) CH 4 2 2 (B) N 2 4 2 (C) Cl 2 4 2 (D) Cl 2 2 4



Given the value of their van der Waals constant ‘a’ arrange the following gases in the order of their expected liquification pressure at a temperature T. T is below the critical point of all the gases.


 


Gas   CH4        Kr       N2     Cl2


‘a’    2.283    2.439   1.408  6.579     


(atm L2.mol–1)                      


 


(A)    CH4 < Kr < N2 < Cl2


(B)    N2 < CH4 < Kr < Cl2


(C)    Cl2 < Kr < CH4 < N2


(D)    Cl2 < N2 < Kr < CH4


Grade:upto college level

2 Answers

Simran Bhatia
348 Points
8 years ago

(C)

 

Rakshith Gore
12 Points
8 years ago

a is proportional to liquefaction 

so order is cl2>kr>ch4>n2

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