Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Activation energy Final products Heat of reaction Equilibrium constant Activation energy Final products Heat of reaction Equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Does not initiate the reaction Retards the rate of reaction Reduces the value of equilibrium constant All of these Does not initiate the reaction Retards the rate of reaction Reduces the value of equilibrium constant All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the reaction, A + B → 2B + C, rA = 2rB rA = rB rA = rB/2 rA = -rB rA = 2rB rA = rB rA = rB/2 rA = -rB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. Zero Second None of these First Zero Second None of these First ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will Remain the same Be halved Also be doubled Become one fourth Remain the same Be halved Also be doubled Become one fourth ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Use batch reactor or plug flow reactor, when a > b ANSWER DOWNLOAD EXAMIANS APP