Chemical Reaction Engineering A batch reactor is Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An imbalanced chemical reaction equation is against the law of Constant proportion Conservation of mass None of these Multiple proportion Constant proportion Conservation of mass None of these Multiple proportion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in initial concentration, the fractional conversion of a first order reaction in a given time Remains constant Unpredictable Increases Decreases Remains constant Unpredictable Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Fraction of molecules having threshold energy increases Increased temperature reduces the activation energy Collision frequency increases Value of threshold energy decreases Fraction of molecules having threshold energy increases Increased temperature reduces the activation energy Collision frequency increases Value of threshold energy decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/second Moles/litre.second Litre/mole Litre/mole.second Litre/second Moles/litre.second Litre/mole Litre/mole.second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
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