Chemical Reaction Engineering Transition state theory gives the rate constant as K α T . e-E/RT K α eE/RT K α e-E/RT K α √T . e-E/RT K α T . e-E/RT K α eE/RT K α e-E/RT K α √T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst None of these Internal surface area is utilised efficiently Porosity is very important Porosity is of less importance None of these Internal surface area is utilised efficiently Porosity is very important Porosity is of less importance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CA0 > CB0 CB0 ≥ CB0 CB0 > CA0 CA0 = CB0 CA0 > CB0 CB0 ≥ CB0 CB0 > CA0 CA0 = CB0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same. Semi-batch Tubular Batch Back-mix Semi-batch Tubular Batch Back-mix ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction All of these Increases the frequency of collisions of reacting species Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species Decreases the activation energy Alters the reaction mechanism ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning ANSWER DOWNLOAD EXAMIANS APP
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