Chemical Reaction Engineering In Langmuir treatment of adsorption, Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Smaller than Equal to Greater than Unpredictable from the data Smaller than Equal to Greater than Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Specific rate constant for a second order reaction Depends on the nature of the reactants Both B and C Varies with temperature Is independent of temperature Depends on the nature of the reactants Both B and C Varies with temperature Is independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy of activation of a chemical reaction Varies as fifth power of the temperature Is same as heat of reaction at constant pressure Is the minimum energy which the molecules must have before the reaction can take place Both B and C Varies as fifth power of the temperature Is same as heat of reaction at constant pressure Is the minimum energy which the molecules must have before the reaction can take place Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Second Zero Third First Second Zero Third First ANSWER DOWNLOAD EXAMIANS APP
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