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 Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet Reaction External mass transfer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by increasing the Reactant's concentration None of these Pressure Temperature Reactant's concentration None of these Pressure Temperature 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) Mole formed/volume of catalyst) (time) Moles formed/volume of reactor) (time) None of these Moles for med/(surface of catalyst) (time) Mole formed/volume of catalyst) (time) Moles formed/volume of reactor) (time) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Increases with increase of pressure of reactants for all reactions None of these Decreases with increase of reactant concentration Decreases with increase in temperature Increases with increase of pressure of reactants for all reactions None of these Decreases with increase of reactant concentration Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not affected by the Number of molecules of reactants taking part in the reaction Reactant's concentration Catalyst Temperature Number of molecules of reactants taking part in the reaction Reactant's concentration Catalyst Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Conversion increases with increase in temperature in case of a an __________ reaction. Reversible endothermic Reversible exothermic Irreversible Autocatalytic Reversible endothermic Reversible exothermic Irreversible Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS