Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Ash diffusion Gas film diffusion Chemical reaction None of these Ash diffusion Gas film diffusion Chemical reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 8621°K 9210°K 8764°K 8987°K 8621°K 9210°K 8764°K 8987°K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Is greater than Can be either greater or smaller than (depends on the type of reaction) Is smaller than Equals Is greater than Can be either greater or smaller than (depends on the type of reaction) Is smaller than Equals ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering According to Arhenious equation of temperature dependency of rate constant for an elementary reaction K ∝ e-E/RT K ∝ √T None of these K ∝ T e-E/RT K ∝ e-E/RT K ∝ √T None of these K ∝ T e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Oil is hydrogenated using nickel catalyst in a __________ reactor. Slurry Fluidised bed Fixed bed Batch Slurry Fluidised bed Fixed bed Batch ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the 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 Time for half change is independent of the initial concentration ANSWER DOWNLOAD EXAMIANS APP
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