Chemical Reaction Engineering Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure? Freundlich adsorption isotherm Langmuir adsorption isotherm None of these Adsorption isobar Freundlich adsorption isotherm Langmuir adsorption isotherm None of these Adsorption isobar ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Ideal at very low conversion Same as plug flow reactor (PFR) Same as ideal stirred tank reactor Suitable for gas phase reactions Ideal at very low conversion Same as plug flow reactor (PFR) Same as ideal stirred tank reactor Suitable for gas phase reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Time for half change is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled Time for half change is half the time taken for completion of the reaction Time for completion of the reaction is independent of the initial concentration Time for half change is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled Time for half change is half the time taken for completion of the reaction Time for completion of the reaction is independent of the initial concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Decreases Increases Neither A nor B Either A or B; depends on the type of catalyst Decreases Increases Neither A nor B Either A or B; depends on the type of catalyst 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
Chemical Reaction Engineering The decomposition of A into B is represented by the exothermic reaction, A ⇋ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction. At high P and low T At high P and high T At low P and low T At low P and high T At high P and low T At high P and high T At low P and low T At low P and high T ANSWER DOWNLOAD EXAMIANS APP
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