Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) Independent of temperature None of these ∝ CA ∝ 1/CA Independent of temperature None of these ∝ CA ∝ 1/CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by External mass transfer Diffusion within the pellet Reaction None of these External mass transfer Diffusion within the pellet Reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is higher Entropy changes Initial concentration of the reactants remains constant Free energy of activation is lower Free energy of activation is higher Entropy changes Initial concentration of the reactants remains constant Free energy of activation is lower ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reactor is generally termed as an autoclave, when it is a High pressure batch reactor Atmospheric pressure CSTR Atmospheric pressure tank reactor High pressure tubular reactor High pressure batch reactor Atmospheric pressure CSTR Atmospheric pressure tank reactor High pressure tubular reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Can be either greater or smaller than (depends on the type of reaction) Is smaller than Is greater than Equals Can be either greater or smaller than (depends on the type of reaction) Is smaller than Is greater than Equals ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalyst in a first order chemical reaction changes the Equilibrium constant Activation energy Heat of reaction Heat of formation of the product Equilibrium constant Activation energy Heat of reaction Heat of formation of the product ANSWER DOWNLOAD EXAMIANS APP
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