Chemical Reaction Engineering __________ explains the mechanism of catalysis. Collision theory Activated complex theory None of these Thermodynamics Collision theory Activated complex theory None of these Thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction. Non-catalytic homogeneous Non-catalytic heterogeneous Catalytic homogenous Catalytic heterogeneous Non-catalytic homogeneous Non-catalytic heterogeneous Catalytic homogenous Catalytic heterogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at High temperature in a CSTR High temperature in a PFR Low temperature in a PFR Low temperature in a CSTR High temperature in a CSTR High temperature in a PFR Low temperature in a PFR Low temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Increases Decreases Changes unpredictably Remains unaltered Increases Decreases Changes unpredictably Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single CSTR of volume V CSTR of volume V/X PFR of volume V PFR of volume V/X CSTR of volume V CSTR of volume V/X PFR of volume V PFR of volume V/X ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have High CA, low CB Low CA, high CB Low CA, low CB High CA, high CB High CA, low CB Low CA, high CB Low CA, low CB High CA, high CB ANSWER DOWNLOAD EXAMIANS APP
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