Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 12 8 16 4 12 8 16 4 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 Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following reactions, thee-quilibrium will shift to the right, if the total pressure is increased? N₂ + O₂ ⇋ 2NO N₂O₄ ⇋ 2 NO₂ H₂ + Cl₂ ⇋ 2HCl H₂ + I₂ ⇋ 2HI N₂ + O₂ ⇋ 2NO N₂O₄ ⇋ 2 NO₂ H₂ + Cl₂ ⇋ 2HCl H₂ + I₂ ⇋ 2HI ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Temperature Total pressure of the system Volume of the reactor Initial concentration of N₂ and H₂ Temperature Total pressure of the system Volume of the reactor Initial concentration of N₂ and H₂ 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? 1.6 2.5 2 2.24 1.6 2.5 2 2.24 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a fluidised bed reactor, the most suitable/relevant model is a __________ model. Tank in series Plug flow Bubbling bed None of these Tank in series Plug flow Bubbling bed None of these ANSWER DOWNLOAD EXAMIANS APP
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