Chemical Reaction Engineering __________ explains the mechanism of catalysis. Activated complex theory Collision theory None of these Thermodynamics Activated complex theory Collision theory None of these Thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Intestine Blood Gland Saliva Intestine Blood Gland Saliva 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? There is no dynamic equilibrium between successive layer 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 Langmuir None of these There is no dynamic equilibrium between successive layer 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 Langmuir None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A typical example of an exothermic reversible reaction conducted at high pressure in industry is Dehydration of ethanol Reformation of methane Methanol synthesis Polymerisation of ethylene Dehydration of ethanol Reformation of methane Methanol synthesis Polymerisation of ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is K/2 Ln k/2 Ln 2/k Ln 0.5/k K/2 Ln k/2 Ln 2/k Ln 0.5/k ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if None of these A catalyst is added An inert gas is pumped keeping the temperature constant The temperature is increased None of these A catalyst is added An inert gas is pumped keeping the temperature constant The temperature is increased ANSWER DOWNLOAD EXAMIANS APP
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