Chemical Reaction Engineering Transition state theory gives the rate constant as K α √T . e-E/RT K α T . e-E/RT K α eE/RT K α e-E/RT K α √T . e-E/RT K α T . e-E/RT K α eE/RT K α e-E/RT 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 Diffusion within the pellet None of these External mass transfer Reaction Diffusion within the pellet None of these External mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Study of chemical kinetics is the easiest in the case of __________ reactions. Irreversible Surface Reversible Side Irreversible Surface Reversible Side ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In Langmuir treatment of adsorption, Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a unit of reaction rate? Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) None of these Mole formed/volume of catalyst) (time) Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) None of these Mole formed/volume of catalyst) (time) ANSWER DOWNLOAD EXAMIANS APP