The energy of activation of a chemical reaction Both B and C Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place TRUE ANSWER : ? YOUR ANSWER : ?
What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/2 1/9 3 1/3 TRUE ANSWER : ? YOUR ANSWER : ?
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. 0 ∞ > 0.5 < 0.5 TRUE ANSWER : ? YOUR ANSWER : ?
__________ explains the mechanism of catalysis. Activated complex theory Thermodynamics None of these Collision theory TRUE ANSWER : ? YOUR ANSWER : ?
The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is 0.5 2 3 1 TRUE ANSWER : ? YOUR ANSWER : ?
The decomposition of A into B is represented by the exothermic reaction, A ⇋ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction. At high P and high T At low P and low T At high P and low T At low P and high T TRUE ANSWER : ? YOUR ANSWER : ?
Rate of an autocatalytic chemical reaction is a function of Temperature only Composition only Pressure only All of these TRUE ANSWER : ? YOUR ANSWER : ?
__________ is the response curve for a step input signal from a reactor. C-curve I-curve None of these S-curve TRUE ANSWER : ? YOUR ANSWER : ?
The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Unpredictable from the data Equal to Greater than Smaller than TRUE ANSWER : ? YOUR ANSWER : ?
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Equals Can be either greater or smaller than (depends on the type of reaction) Is greater than Is smaller than TRUE ANSWER : ? YOUR ANSWER : ?