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 43838 8 TRUE ANSWER : ? YOUR ANSWER : ?
If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is Unpredictable as ΔG is no measure of feasibility of a reaction Not feasible Very much feasible Just feasible TRUE ANSWER : ? YOUR ANSWER : ?
Most important characteristics of gas-liquid reactors are the None of these Specific inter-facial area Both A and B Liquid hold-up TRUE ANSWER : ? YOUR ANSWER : ?
A catalyst in a chemical reaction __________ free energy change in the reaction. Decreases Neither A nor B Either A or B; depends on the type of catalyst Increases TRUE ANSWER : ? YOUR ANSWER : ?
B.E.T. method can be used to determine the __________ of a porous catalyst. Surface area All of these Solid density Pore volume TRUE ANSWER : ? YOUR ANSWER : ?
A catalyst is said to be a negative catalyst, ifit Reduces the value of equilibrium constant Does not initiate the reaction All of these Retards the rate of reaction TRUE ANSWER : ? YOUR ANSWER : ?
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 4 2 16 TRUE ANSWER : ? YOUR ANSWER : ?
An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. Is always less than May be greater or less than Is always greater than Is always equal to TRUE ANSWER : ? YOUR ANSWER : ?
The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the Equilibrium constant is infinite Concentration of Fractional conversion of All of these TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? 2SO? + O? ? 2SO? N? + O? ? 2NO 2NO? ? N?O? 2O? ? 3O? TRUE ANSWER : ? YOUR ANSWER : ?