Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Internal surface area is utilised efficiently Porosity is of less importance None of these Porosity is very important Internal surface area is utilised efficiently Porosity is of less importance None of these Porosity is very important ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Can either increase or decrease ; depends on the frequency factor Increases Decreases Decreases exponentially Can either increase or decrease ; depends on the frequency factor Increases Decreases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a/an __________ vessel, the fluid enters and leaves following plug flow. Closed Open Open-closed Close-opened Closed Open Open-closed Close-opened ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ an T ∝ 1/an - 1 T ∝ 1/an T ∝ 1/an + 1 T ∝ an T ∝ 1/an - 1 T ∝ 1/an T ∝ 1/an + 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be (1 - x)² (1 + x)² (1 - x) (1 + x) (1 - x)² (1 + x)² (1 - x) (1 + x) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by Large catalyst particle size All of these An active surface of the catalyst Small pore diameter Large catalyst particle size All of these An active surface of the catalyst Small pore diameter ANSWER DOWNLOAD EXAMIANS APP
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