Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ 1/CA ∝ CA None of these Independent of temperature ∝ 1/CA ∝ CA None of these Independent of temperature 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? 2.24 1.6 2.5 2 2.24 1.6 2.5 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In flow reactors, the performance equations interrelate the rate of reaction to the Extent of reaction All of these Reactor volume Feed rate Extent of reaction All of these Reactor volume Feed rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CA0 > CB0 CB0 > CA0 CB0 ≥ CB0 CA0 = CB0 CA0 > CB0 CB0 > CA0 CB0 ≥ CB0 CA0 = CB0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. Photochemical Catalytic Autocatalytic None of these Photochemical Catalytic Autocatalytic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at Low temperature in a CSTR High temperature in a PFR Low temperature in a PFR High temperature in a CSTR Low temperature in a CSTR High temperature in a PFR Low temperature in a PFR High temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
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