Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? 2O? ? 3O? N? + O? ? 2NO 2NO? ? N?O? 2SO? + O? ? 2SO? 2O? ? 3O? N? + O? ? 2NO 2NO? ? N?O? 2SO? + O? ? 2SO? ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction It is a reversible reaction None of these The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction It is a reversible reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Concentration of reactants Pressure Temperature Duration of reaction Concentration of reactants Pressure Temperature Duration of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CO₂ escapes continuously Of high calcination temperature CaO is more stable than CaCO₃ CaO is not dissociated CO₂ escapes continuously Of high calcination temperature CaO is more stable than CaCO₃ CaO is not dissociated 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) Decreases Remains same Increases Increases linearly Decreases Remains same Increases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Both B and C Very fast Very slow Photochemical Both B and C Very fast Very slow Photochemical ANSWER DOWNLOAD EXAMIANS APP