Engineering
Chemistry
Vander Waal Gas and compressibility Factor
Question

a and b are van der Waal's constants for gases. Chlorine is more easily liquefied than ethane because :

a for Cl2 < a for C2H6 but b for Cl2 > b for C2H6

a and b for Cl2 > a and b for C2H6

a for Cl2 > a for C2H6 but b for Cl2 < b for C2H6

a and b for Cl2 < a and b C2H6

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Solution

                      a                                         b

Cl2       6.579 L2 bar mol–2              0.05622 L mol–1

C2H5   5.562 L2 bar mol–2               0.06380 L mol–1

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