Chemical Reaction Engineering Threshold energy in a reaction is equal to the Neither A nor B Activation energy Sum of A & B Normal energy of reactants Neither A nor B Activation energy Sum of A & B Normal energy of reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the Concentration of Equilibrium constant is infinite All of these Fractional conversion of Concentration of Equilibrium constant is infinite All of these Fractional conversion of ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions of high molecularity are rare, because Of very large activation energy of many bodies Many body collisions are not favoured energetically Of requirement of very large concentration for such reactions Of low probability of many body collisions Of very large activation energy of many bodies Many body collisions are not favoured energetically Of requirement of very large concentration for such reactions Of low probability of many body collisions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 4 16 8 2 4 16 8 2 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) All of these Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these Undersirable side reaction (at high concentration of one of the reactants) is to be avoided ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance ANSWER DOWNLOAD EXAMIANS APP