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 In an exothermic chemical reaction, the reactants compared to the products have Same energy More energy Higher temperature Less energy Same energy More energy Higher temperature Less energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Mostly irreversible Insensitive to temperature changes Highly temperature sensitive Always irreversible Mostly irreversible Insensitive to temperature changes Highly temperature sensitive Always irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Limiting reactant in a chemical reaction decides the Equilibrium constant Reaction speed Rate constant Conversion Equilibrium constant Reaction speed Rate constant Conversion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Conversion increases with increase in temperature in case of a an __________ reaction. Reversible endothermic Reversible exothermic Irreversible Autocatalytic Reversible endothermic Reversible exothermic Irreversible Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
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