Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by An active surface of the catalyst Large catalyst particle size All of these Small pore diameter An active surface of the catalyst Large catalyst particle size All of these Small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to (CA)1/2n (CA)n (1/2)n.CA (CA)1/n (CA)1/2n (CA)n (1/2)n.CA (CA)1/n ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃. Decreases Increases Unpredictable from the data Remains unchanged Decreases Increases Unpredictable from the data Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 16 2 4 8 16 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A high space velocity means that a given Conversion can be obtained with a high feed rate Reaction can be accomplished with small reactor None of these Both A and B Conversion can be obtained with a high feed rate Reaction can be accomplished with small reactor None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Remains constant Decreases Increases Becomes infinite Remains constant Decreases Increases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP