Adsorption of a gas follows Freundlich adsorption isotherm. x is the mass of the gas adsorbed on mass m of the adsorbent. The plot of log versus log p is shown in the given graph. is proportional to 

(a) 

(b) 
P^{3} 
(c) 

(d) 
P^{2} 
Adsorption of a gas follows Freundlich adsorption isotherm. x is the mass of the gas adsorbed on mass m of the adsorbent. The plot of log versus log p is shown in the given graph. is proportional to 

(a) 

(b) 
P^{3} 
(c) 

(d) 
P^{2} 