Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Smaller reactor followed by larger one Large reactor followed by smaller one Either of the arrangement A or B will give the same yield Data insufficient, can Smaller reactor followed by larger one Large reactor followed by smaller one Either of the arrangement A or B will give the same yield Data insufficient, can ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is PFR in series Plug flow reactor Backmix reactor Series of CSTR PFR in series Plug flow reactor Backmix reactor Series of CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not affected by the Catalyst Temperature Number of molecules of reactants taking part in the reaction Reactant's concentration Catalyst Temperature Number of molecules of reactants taking part in the reaction Reactant's concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction 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 Decreases the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be (1 + x) (1 - x)² (1 - x) (1 + x)² (1 + x) (1 - x)² (1 - x) (1 + x)² 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 Decreases Increases Remains same Increases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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