Which of the following does not produce a change in the value of rate constant of a reaction ?

Related Mcqs:

A catalyst in a chemical reaction____________________?

A. Decreases the activation energy B. Alters the reaction mechanism C. Increases the frequency of collisions of reacting species D. All A., B. and C....

Space time in flow reactor is____________________?

A. Usually equal to the residence time B. The reciprocal of the space velocity C. A measure of its capacity D. Both A. and B....

For the reaction as shown in the bellow figure, the rate of formation of Z is 0.2 gm mole/litre.hr. What is the rate of disappearance of X in gm mole/litre.hr ?

A. 0.4 B. 0.1 C. 0.2 D. None of these...

For a tubular flow reactor with uniform concentration and temperature, the independent variable is___________________?

A. Time B. Length C. Diameter D. None of these...

In Langmuir treatment of adsorption,_________________?

A. Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule B. Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site C. All the adsorption does not take place by the … In Langmuir treatment of adsorption,_________________?Read More...