Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? 2O? ? 3O? 2NO? ? N?O? 2SO? + O? ? 2SO? N? + O? ? 2NO 2O? ? 3O? 2NO? ? N?O? 2SO? + O? ? 2SO? N? + O? ? 2NO ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Decreases with increase of reactant concentration None of these Increases with increase of pressure of reactants for all reactions Decreases with increase in temperature Decreases with increase of reactant concentration None of these Increases with increase of pressure of reactants for all reactions Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Use batch reactor or plug flow reactor, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Chemical kinetics can predict the __________ of a chemical reaction. Both A & B Neither A nor B Feasibility Rate Both A & B Neither A nor B Feasibility Rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second. 2 1 3 0.5 2 1 3 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Decreases Increases Changes unpredictably Remains unaltered Decreases Increases Changes unpredictably Remains unaltered ANSWER DOWNLOAD EXAMIANS APP