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 6 4 8 3 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Value of threshold energy decreases Collision frequency increases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Value of threshold energy decreases Collision frequency increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Bulk diffusion in catalyst pore __________ with increase in pressure. Increases exponentially Remains unchanged Increases Decreases Increases exponentially Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate determining step in a reaction consisting of a number of steps in series is the __________ step. Slowest Fastest Data insufficient; can't be predicted Intermediate Slowest Fastest Data insufficient; can't be predicted Intermediate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half-life period for a first order reaction is __________ the initial concentration of the reactant. Independent of Directly proportional to None of these Inversely proportional to Independent of Directly proportional to None of these Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Kinetics of a solid catalysed reaction can best be studied in a __________ reactor. Plug-flow Mixed Batch None of these Plug-flow Mixed Batch None of these ANSWER DOWNLOAD EXAMIANS APP