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 Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by Reaction None of these External mass transfer Diffusion within the pellet Reaction None of these External mass transfer Diffusion within the pellet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Limiting reactant in a chemical reaction decides the Conversion Equilibrium constant Rate constant Reaction speed Conversion Equilibrium constant Rate constant Reaction speed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method can be used to determine the __________ of the catalyst particle. Porosity All of these Solid density Pore volume Porosity All of these Solid density Pore volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors. Both the conversion as well as concentrations will be different Both conversion as well as concentration are same None of these Conversion in both will be the same but concentrations will be different Both the conversion as well as concentrations will be different Both conversion as well as concentration are same None of these Conversion in both will be the same but concentrations will be different ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is Data insufficient, can't be predicted 1 0.5 0.33 Data insufficient, can't be predicted 1 0.5 0.33 ANSWER DOWNLOAD EXAMIANS APP
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