Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Temperature Volume of the reactor Total pressure of the system Initial concentration of N₂ and H₂ Temperature Volume of the reactor Total pressure of the system Initial concentration of N₂ and H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In autocatalytic reactions, One of the products acts as a catalyst Catalysts have very high selectivity One of the reactants acts as a catalyst No catalyst is used One of the products acts as a catalyst Catalysts have very high selectivity One of the reactants acts as a catalyst No catalyst is used ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is Zero One Two Three Zero One Two Three ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If 'n' is the order of reaction, then unit of rate constant is 1/(time)(concentration)n - 1 (time)n - 1 (concentration) (time)-1 (concentration)n - 1 None of these 1/(time)(concentration)n - 1 (time)n - 1 (concentration) (time)-1 (concentration)n - 1 None of these ANSWER DOWNLOAD EXAMIANS APP
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 ? 1/2 3 1/9 1/3 1/2 3 1/9 1/3 ANSWER DOWNLOAD EXAMIANS APP
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