Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is One Three Two Zero One Three Two Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates All of these Does not affect a catalysed reaction Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates All of these Does not affect a catalysed reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is 0.425 0.5 0.875 Data insufficient to calculate 0.425 0.5 0.875 Data insufficient to calculate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sum of the powers of the concentration terms in the rate equation is called the __________ of the reaction. Overall order None of these Molecularity Order Overall order None of these Molecularity Order ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is K/2 Ln k/2 Ln 0.5/k Ln 2/k K/2 Ln k/2 Ln 0.5/k Ln 2/k ANSWER DOWNLOAD EXAMIANS APP