Chemical Reaction Engineering Higher free energy of activation of a chemical reaction (at a given temperature) implies Both B and C Higher rate of reaction Higher equilibrium conversion Slower rate of reaction Both B and C Higher rate of reaction Higher equilibrium conversion Slower rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? Desorption None of these Surface chemical reaction Adsorption Desorption None of these Surface chemical reaction Adsorption 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? 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 In a zero order reaction, reactants concentration does not change with time and the Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Inversely proportional to Independent of Proportional to the square of Proportional to Inversely proportional to Independent of Proportional to the square of Proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these ANSWER DOWNLOAD EXAMIANS APP
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