question_answer

The correction factor 'a' to the ideal gas equation corresponds to                                 [NEET - 2018]

A)  Electric field present between the gas molecules

B)  Volume of the gas molecules

C)  Density of the gas molecules

D)  Forces of attraction between the gas molecules

Correct Answer: D Solution :             [d] In real gas equation, \[\left( \text{P+}\frac{\text{a}{{\text{n}}^{\text{2}}}}{{{\text{v}}^{\text{2}}}} \right)\text{(V-nb)=nRT}\]

van der Waal’s constant, 'a' signifies intermolecular forces of attraction.