Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Can either increase or decrease ; depends on the frequency factor Decreases Decreases exponentially Increases Can either increase or decrease ; depends on the frequency factor Decreases Decreases exponentially Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 22 2 11 4 22 2 11 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The order of a chemical reaction is None of these An experimentally determined quantity Always equal to the total stoichiometric number of reactants Never fractional None of these An experimentally determined quantity Always equal to the total stoichiometric number of reactants Never fractional ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not affected by the Number of molecules of reactants taking part in the reaction Catalyst Reactant's concentration Temperature Number of molecules of reactants taking part in the reaction Catalyst Reactant's concentration Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. Ash layer Film None of these Pore Ash layer Film None of these Pore ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Surface area Pore volume Porosity Both B & C Surface area Pore volume Porosity Both B & C ANSWER DOWNLOAD EXAMIANS APP
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