Chemical Reaction Engineering In the reversible reaction of the type, A + B ⇋ AB, in general The combination reaction will be endothermic, while the dissociation reaction will be exothermic The combination reaction will be exothermic, while the dissociation reaction will be endothermic Both forward and backward reactions will be exothermic Neither of the reactions will be en-dothermic The combination reaction will be endothermic, while the dissociation reaction will be exothermic The combination reaction will be exothermic, while the dissociation reaction will be endothermic Both forward and backward reactions will be exothermic Neither of the reactions will be en-dothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Knudsen diffusion is directly proportional to 1/√T √T T T₂ 1/√T √T T T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is Two One Zero Three Two One Zero Three ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? None of these There is no dynamic equilibrium between successive layer Langmuir The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process None of these There is no dynamic equilibrium between successive layer Langmuir The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) 1/(L√(K/D1)) 1 L√(K/D1) ∞ 1/(L√(K/D1)) 1 L√(K/D1) ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. Either A or B, depends on the type of reaction Increase No change Decrease Either A or B, depends on the type of reaction Increase No change Decrease ANSWER DOWNLOAD EXAMIANS APP
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