Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) Independent of temperature None of these ∝ 1/CA ∝ CA Independent of temperature None of these ∝ 1/CA ∝ CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by increasing the Reactant's concentration None of these Temperature Pressure Reactant's concentration None of these Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In Langmuir treatment of adsorption, Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site All the adsorption does not take place by the same mechanism Extent of adsorption is more than one complete monomolecular layer on the surface Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site All the adsorption does not take place by the same mechanism Extent of adsorption is more than one complete monomolecular layer on the surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Single CSTR is the most suitable Tubular reactor is preferred over a single CSTR for high yield Batch reactor is preferred over a single CSTR for high yield Both A and B Single CSTR is the most suitable Tubular reactor is preferred over a single CSTR for high yield Batch reactor is preferred over a single CSTR for high yield Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is 43898 43959 43833 43864 43898 43959 43833 43864 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction 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 All of these ANSWER DOWNLOAD EXAMIANS APP
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