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. Catalytic homogenous Non-catalytic heterogeneous Catalytic heterogeneous Non-catalytic homogeneous Catalytic homogenous Non-catalytic heterogeneous Catalytic heterogeneous Non-catalytic homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to l/4th of its initial volume, then the rate of reaction compared to the original rate will be __________ times. 43846 16 8 43838 43846 16 8 43838 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effect of increasing pressure on the gaseous equilibrium of the reaction 2X+3Y ⇋ 3X+2Y indicates that Pressure has no effect Forward reaction is favoured None of these Backward reaction is favoured Pressure has no effect Forward reaction is favoured None of these Backward reaction is favoured ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Collision frequency increases Value of threshold energy decreases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Collision frequency increases Value of threshold energy decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit All of these Reduces the value of equilibrium constant Does not initiate the reaction Retards the rate of reaction All of these Reduces the value of equilibrium constant Does not initiate the reaction Retards the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to 0.1 0.5 1 0.1 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
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