Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Logarithmically with time Linearly with time Very abruptly towards the end of the reaction Exponentially with time Logarithmically with time Linearly with time Very abruptly towards the end of the reaction Exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 8 12 16 4 8 12 16 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Differential method for analysing the kinetic data is used When rate expressions are very simple When the data are scattered None of these For testing complicated mechanisms When rate expressions are very simple When the data are scattered None of these For testing complicated mechanisms ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Vegetable oils are hydrogenated in a __________ reactor. Homogeneous catalytic Slurry None of these Plug flow Homogeneous catalytic Slurry None of these Plug flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 2 22 4 11 2 22 4 11 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by An active surface of the catalyst Small pore diameter Large catalyst particle size All of these An active surface of the catalyst Small pore diameter Large catalyst particle size All of these ANSWER DOWNLOAD EXAMIANS APP