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 Reaction Diffusion within the pellet External mass transfer None of these Reaction Diffusion within the pellet External mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is Always the same irrespective of the reaction Half the specific rate constant Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Always the same irrespective of the reaction Half the specific rate constant Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order reaction carried out in a plug flow reactor, the space time is K In C/C0 1/K In C0/C K In C0/C 1/K In C/C0 K In C/C0 1/K In C0/C K In C0/C 1/K In C/C0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Depend on temperature, pressure etc. of the reaction Are cycles per unit time Depend on the order of the reaction Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Are cycles per unit time Depend on the order of the reaction Are the same as those of the rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant K of a chemical reaction depends on Ratio of reactants Temperature only Pressure only Temperature and pressure Ratio of reactants Temperature only Pressure only Temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the None of these Both A and B Specific inter-facial area Liquid hold-up None of these Both A and B Specific inter-facial area Liquid hold-up ANSWER DOWNLOAD EXAMIANS APP
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