Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at High temperature in a PFR Low temperature in a CSTR Low temperature in a PFR High temperature in a CSTR High temperature in a PFR Low temperature in a CSTR Low temperature in a PFR High temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. None of these Gas film Chemical reaction Pore diffusion None of these Gas film Chemical reaction Pore diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If 'n' is the order of reaction, then unit of rate constant is (time)n - 1 (concentration) None of these 1/(time)(concentration)n - 1 (time)-1 (concentration)n - 1 (time)n - 1 (concentration) None of these 1/(time)(concentration)n - 1 (time)-1 (concentration)n - 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? 2 3 1 Zero 2 3 1 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line? XA Vs ln τ XA Vs . τ XA(1 - XA)Vs τ XA/(1 - XA)Vs τ XA Vs ln τ XA Vs . τ XA(1 - XA)Vs τ XA/(1 - XA)Vs τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Heat of reaction Activation energy Equilibrium constant Final products Heat of reaction Activation energy Equilibrium constant Final products ANSWER DOWNLOAD EXAMIANS APP
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