Chemical Reaction Engineering A catalyst in a chemical reaction Decreases the activation energy All of these Alters the reaction mechanism Increases the frequency of collisions of reacting species Decreases the activation energy All of these Alters the reaction mechanism Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Differential method for analysing the kinetic data is used When the data are scattered When rate expressions are very simple None of these For testing complicated mechanisms When the data are scattered When rate expressions are very simple None of these For testing complicated mechanisms 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. 3 6 4 8 3 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will Data in insufficient; can't be predicted Decrease Increase Remain same Data in insufficient; can't be predicted Decrease Increase Remain same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Initial concentration of the reactants remains constant Entropy changes Free energy of activation is lower Free energy of activation is higher Initial concentration of the reactants remains constant Entropy changes Free energy of activation is lower Free energy of activation is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a first order reaction depends on the Time Concentration of the reactant Concentration of the product Temperature Time Concentration of the reactant Concentration of the product Temperature ANSWER DOWNLOAD EXAMIANS APP