Answer the following questions based on the adsorption isotherms below.

i.Interpret adsorption isotherm type I and II, and suggest which isotherm model is appropriate for the kinetic studies of each . [4marks]

ii.Explain the occurrence of hysterisis loops in isotherm type IV and V and what information can it provide pertaining to the adsorbent. [3marks]

iii. Differentiate between chemisorption and physisorption (3marks)

Specific amount adsorbed n ol IV VI B Relative pressure p/p