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• The variation of Chemisorption with Pressure is ____(a) Chemisorption increases with increase in pressure(b) Chemisorption decreases with increase in pressure(c) Chemisorption increases with decrease in pressure(d) Change of pressure has no effect on ChemisorptionI got this question in quiz.I would like to ask this question from Packed Bed Catalytic Reactor topic in chapter Packed Bed Catalytic Reactor, Fluidised Bed and Transport Reactors of Chemical Reaction Engineering
• For the reaction step to be the controlling mechanism in a catalytic reversible reaction, which of the following is valid?(a) Rate of adsorption > Rate of desorption(b) Rate of adsorption < Rate of desorption(c) Rate of adsorption = Rate of desorption(d) Rate of adsorption ≠ Rate of desorptionThis question was posed to me during an internship interview.The origin of the question is Packed Bed Catalytic Reactor topic in division Packed Bed Catalytic Reactor, Fluidised Bed and Transport Reactors of Chemical Reaction Engineering
• The Langmuir Hinshelwood mechanism for equimolar reactant feed is ____(a) \(\frac{aP}{(1+bP)^2}\) = -r0(b) \(\frac{P}{(1+bP)^2}\) = -r0(c) \(\frac{aP}{(bP)^2}\)= -r0(d) \(\frac{aP}{(1+bP)}\) = -r0This question was addressed to me in quiz.I want to ask this question from Packed Bed Catalytic Reactor topic in portion Packed Bed Catalytic Reactor, Fluidised Bed and Transport Reactors of Chemical Reaction Engineering
• State true or false.Physisorption occurs by Van-der-waal’s forces.(a) Physisorption occurs by Van-der-waal’s forces.(b) True(c) FalseThe question was asked during an interview.I'm obligated to ask this question of Packed Bed Catalytic Reactor topic in chapter Packed Bed Catalytic Reactor, Fluidised Bed and Transport Reactors of Chemical Reaction Engineering
• The sequence of steps in a heterogeneous catalytic reaction is ____(a) Diffusion → Adsorption → Reaction → Desorption → Diffusion → Mass transfer → Mass transfer(b) Mass transfer → Diffusion → Adsorption → Reaction → Desorption → Diffusion → Mass transfer(c) Mass transfer → Diffusion → Adsorption → Desorption → Diffusion → Mass transfer → Reaction(d) Mass transfer → Adsorption → Diffusion Reaction → Desorption → Diffusion → Mass transferI got this question in a job interview.My question comes from Packed Bed Catalytic Reactor in portion Packed Bed Catalytic Reactor, Fluidised Bed and Transport Reactors of Chemical Reaction Engineering
• Which of the following is not an assumption of Langmuir model?(a) Energy of adsorption of gas molecules to the adsorbent site is different at different adsorbing site(b) Maximum amount of adsorption corresponds to a monolayer(c) Desorption rate depends on the amount of material adsorbed onto the solid surface(d) Gas phase molecules are adsorbed on discrete points on the solid surfaceThe question was asked in a job interview.Asked question is from Packed Bed Catalytic Reactor topic in chapter Packed Bed Catalytic Reactor, Fluidised Bed and Transport Reactors of Chemical Reaction Engineering