Chemical Reaction Engineering The following gas phase reactions are carried out isothermally in a CSTR.A → 2R ; r₁ = K₁pA ;K₁ = 20mole/(sec.m³ bar)A → 3S ; r₂ = K₂ pA ;K₂ = 40mole/ (sec.m³ .bar)What is the maximum possible value of FR(mole/sec.) ? 43864 2 43833 43832 43864 2 43833 43832 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 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 Use high pressure and eliminate inerts, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A. Surface reaction between absorbed A and B in the gas phase Absorption of A Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and B in the gas phase Absorption of A Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A high space velocity means that a given Conversion can be obtained with a high feed rate Both A and B Reaction can be accomplished with small reactor None of these Conversion can be obtained with a high feed rate Both A and B Reaction can be accomplished with small reactor None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? Surface chemical reaction Desorption None of these Adsorption Surface chemical reaction Desorption None of these Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Find a mechanism that is consistent with the rate equation and reaction given below: 2A + B → A₂B, ( - rA) = k.CA.CB A + B ⇋ AB;AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB ; AB + A → A₂B A + B ⇋ AB;AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB ; AB + A → A₂B ANSWER DOWNLOAD EXAMIANS APP
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