Chemical Reaction Engineering The reactions of high molecularity are rare, because Of very large activation energy of many bodies Of low probability of many body collisions Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of very large activation energy of many bodies Of low probability of many body collisions Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Total pressure of the system Temperature Volume of the reactor Initial concentration of N₂ and H₂ Total pressure of the system Temperature Volume of the reactor Initial concentration of N₂ and H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 2τ 0.5τ 0.693τ τ/0.693 2τ 0.5τ 0.693τ τ/0.693 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 8 16 4 2 8 16 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature? None of these Diameter of the reactor Time Useful volume of the tank None of these Diameter of the reactor Time Useful volume of the tank ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter. Initiates a chemical reaction and is a catalyst by itself All of these Atlers the position of equilibrium in a reversible reaction Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Initiates a chemical reaction and is a catalyst by itself All of these Atlers the position of equilibrium in a reversible reaction Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS