Chemical Reaction Engineering Which of the following is not a unit of reaction rate? Moles formed/volume of reactor) (time) Moles for med/(surface of catalyst) (time) None of these Mole formed/volume of catalyst) (time) Moles formed/volume of reactor) (time) Moles for med/(surface of catalyst) (time) None of these Mole formed/volume of catalyst) (time) 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 External mass transfer None of these Reaction Diffusion within the pellet External mass transfer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes. 3 4 6 8 3 4 6 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Retards the rate of reaction All of these Reduces the value of equilibrium constant Does not initiate the reaction Retards the rate of reaction All of these Reduces the value of equilibrium constant Does not initiate the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal P.F.R. at steady state conditions There is no lateral mixing of fluid The composition of reactants remains constant along a flow path The conversion of the reactant varies from point to point along a flow path There may be diffusion along the flow path There is no lateral mixing of fluid The composition of reactants remains constant along a flow path The conversion of the reactant varies from point to point along a flow path There may be diffusion along the flow path ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Radioactive decay follows __________ order kinetics. Third First Second Zero Third First Second Zero ANSWER DOWNLOAD EXAMIANS APP
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