States of Matter - Result Question 47

####48. In van der Waal’s equation of state for a nonideal gas, the term that accounts for intermolecular forces is :

(a) (Vb)

(b) (RT)1

(c) (P+aV2)

(d) RT

[1990]

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Solution:

  1. (c) van der Waal’s equation for 1 mole:

(P+aV2)(Vb)=RT

Here, (P+aV2) represent the intermolecular forces and (Vb) is the corrected volume.



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