Chemical Reaction Engineering The energy of activation of a chemical reaction Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction? 1 0.5 2 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the Both A and B None of these Liquid hold-up Specific inter-facial area Both A and B None of these Liquid hold-up Specific inter-facial area ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is Ln 0.5/k Ln 2/k Ln k/2 K/2 Ln 0.5/k Ln 2/k Ln k/2 K/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a zero order chemical reaction, the Plot of products concentration with time is a straight line through the origin Products concentration increases linerarly with time All of these Half life period is directly proportion to the initial concentration of the reac-tants Plot of products concentration with time is a straight line through the origin Products concentration increases linerarly with time All of these Half life period is directly proportion to the initial concentration of the reac-tants ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS