MCQ Hive stays free thanks to ads. Please disable your ad blocker for this site so content and features keep working.
Chemical Engineering
Chemical Reaction
Q
Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation ?
AA. Langmuirβs assumption applies to every adsorbed layer
BB. There is no dynamic equilibrium between successive layer
CC. The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer
D(exCept the first one) is involved in each of the evaporation process
Correct Answer:
B. B. There is no dynamic equilibrium between successive layer