Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? All of these Form of surface attack by poison Decay reactions Pore diffusion All of these Form of surface attack by poison Decay reactions Pore diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction, the rate constant Is not a function of the unit of time None ofthese Has unit of time⁻¹ Changes on changing the concentration units Is not a function of the unit of time None ofthese Has unit of time⁻¹ Changes on changing the concentration units ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Both the reactants flow counter-currently Residence time is constant Maximum conversion can be controlled Velocity of reaction can be controlled Both the reactants flow counter-currently Residence time is constant Maximum conversion can be controlled Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have Low CA, high CB Low CA, low CB High CA, low CB High CA, high CB Low CA, high CB Low CA, low CB High CA, low CB High CA, high CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? N? + O? ? 2NO 2SO? + O? ? 2SO? 2NO? ? N?O? 2O? ? 3O? N? + O? ? 2NO 2SO? + O? ? 2SO? 2NO? ? N?O? 2O? ? 3O? ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Study of chemical kinetics is the easiest in the case of __________ reactions. Reversible Surface Irreversible Side Reversible Surface Irreversible Side ANSWER DOWNLOAD EXAMIANS APP
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