Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. < 0.5 0 ∞ > 0.5 < 0.5 0 ∞ > 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The molecularity and the order of reaction respectively, for the hydrolysis of methyl acetate in presence of acids are 2 && 2 1 & 1 11 & 2 2 & 1 2 && 2 1 & 1 11 & 2 2 & 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii) (i) exothermic (ii) exothermic (i) endothermic (ii) enodthermic (i) exothermic (ii) endothermic (i) endothermic (ii) exothermic (i) exothermic (ii) exothermic (i) endothermic (ii) enodthermic (i) exothermic (ii) endothermic (i) endothermic (ii) exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ explains the mechanism of catalysis. Collision theory None of these Activated complex theory Thermodynamics Collision theory None of these Activated complex theory Thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalyst in a second order reversible reaction increases the rate of the forward reaction And decreases that of backward reaction Only And backward reaction equally To a greater extent than that of the backward reaction And decreases that of backward reaction Only And backward reaction equally To a greater extent than that of the backward reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E + ΔHA - ΔHR ΔHA + ΔHR E E + ΔHA E + ΔHA - ΔHR ΔHA + ΔHR E E + ΔHA ANSWER DOWNLOAD EXAMIANS APP
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