Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Increases Either A or B; depends on the type of catalyst Neither A nor B Decreases Increases Either A or B; depends on the type of catalyst Neither A nor B Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use High recycle for pure gas Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature All of these Plug flow for dilute liquid requiring no large preheating of feed High recycle for pure gas Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature All of these Plug flow for dilute liquid requiring no large preheating of feed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? 2O? ? 3O? 2SO? + O? ? 2SO? 2NO? ? N?O? N? + O? ? 2NO 2O? ? 3O? 2SO? + O? ? 2SO? 2NO? ? N?O? N? + O? ? 2NO ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is Ln 0.5/k Ln k/2 Ln 2/k K/2 Ln 0.5/k Ln k/2 Ln 2/k K/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an - 1 T ∝ 1/an T ∝ an T ∝ 1/an + 1 T ∝ 1/an - 1 T ∝ 1/an T ∝ an T ∝ 1/an + 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm. Tempkin Freundlich None of these Langmuir Tempkin Freundlich None of these Langmuir ANSWER DOWNLOAD EXAMIANS APP
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