Chemical Reaction Engineering Rate determining step in a reaction consisting of a number of steps in series is the __________ step. Fastest Data insufficient; can't be predicted Slowest Intermediate Fastest Data insufficient; can't be predicted Slowest Intermediate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst inhibitor Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions All of these Lessens its selectivity Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions All of these Lessens its selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From collison theory, the reaction rate constant is proportional to √T Tm.exp(- E/RT) Exp(- E/2RT) Exp(- E/RT) √T Tm.exp(- E/RT) Exp(- E/2RT) Exp(- E/RT) 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. 8 3 6 4 8 3 6 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it None of these Decreases the molecular collision diameter Decreases the energy barrier for reaction Increases the activation energy None of these Decreases the molecular collision diameter Decreases the energy barrier for reaction Increases the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is -0.5 -0.25 1 -0.5 -0.25 1 ANSWER DOWNLOAD EXAMIANS APP
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