Hello Aspirant !

You can try following questions on Freundlich adsorption isotherm ,

1. How is Freundlich Adsorption Isotherm used to correlate the experimental facts regarding the adsorption of gas at low, high  and  intermediate pressure

Also you can visit the following link , for more questions ,

http://mimoza.marmara.edu.tr/~zehra.can/ENVE401/4.%20Adsorption%20Equilibria%20Examples.pdf

Hope it helps !