Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 3 1/3 1/2 1/9 3 1/3 1/2 1/9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ? 2 4 16 43834 2 4 16 43834 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction All of these Decreases the activation energy Alters the reaction mechanism Increases the frequency of collisions of reacting species All of these Decreases the activation energy Alters the reaction mechanism Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalyst in a second order reversible reaction increases the rate of the forward reaction Only And decreases that of backward reaction And backward reaction equally To a greater extent than that of the backward reaction Only And decreases that of backward reaction And backward reaction equally To a greater extent than that of the backward reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) A A+N A-N N A A+N A-N N ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Remains same Increases linearly Increases Decreases Remains same Increases linearly Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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