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 None of these Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet Reaction External mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Volume of the reactor Temperature Total pressure of the system Initial concentration of N₂ and H₂ Volume of the reactor Temperature Total pressure of the system Initial concentration of N₂ and H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ? 16 4 2 43834 16 4 2 43834 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Both B & C Porosity Pore volume Surface area Both B & C Porosity Pore volume Surface area ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the Liquid hold-up Specific inter-facial area Both A and B None of these Liquid hold-up Specific inter-facial area Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction of a/an __________ reaction is not affected by temperature rise. Zero order Photochemical Autocatalytic Consecutive Zero order Photochemical Autocatalytic Consecutive ANSWER DOWNLOAD EXAMIANS APP
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