Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ CA None of these Independent of temperature ∝ 1/CA ∝ CA None of these Independent of temperature ∝ 1/CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to Gain a proton None of these Lose an electron Lose a proton Gain a proton None of these Lose an electron Lose a proton ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.5 2 2.24 1.6 2.5 2 2.24 1.6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? Desorption None of these Surface chemical reaction Adsorption Desorption None of these Surface chemical reaction Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalytic activity of enzymes is due to their capacity to lower the __________ energy. None of these Kinetic Activation Potential None of these Kinetic Activation Potential ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is 1 > 1 ∞ 1 > 1 ∞ ANSWER DOWNLOAD EXAMIANS APP