When a catalyst increases the rate of chemical reaction, the rate constant_____________________?

Related Mcqs:

Following isothermal kinetic data are obtained in a basket type of mixed flow reactor for a porous catalyst. Determine the role of pore diffusion and external mass transfer processes ?

A. Strong pore diffusion control and mass transfer not controlling B. Both pore diffusion and mass transfer not controlling C. Both pore diffusion and mass transfer controlling D. Mass transfer controlling...

B.E.T. method of finding out surface area of a catalyst, uses the extension of _________________ isotherm?

A. Langmuir B. Freundlich C. Tempkin D. None of these...

‘Unreacted core model’ represents the reaction involving ______________________?

A. Combustion of coal particles B. Roasting of sulphide ores C. Manufacture of carbon disulphide from elements D. None of these...

Effectiveness factor of a catalyst pellet is a measure of the _________________ resistance?

A. Pore diffusion B. Gas film C. Chemical reaction D. None of these...

What is the order of chemical reaction as shown in the bellow figure, if it is found that the reaction rate doubles on doubling the concentration of B and also the reaction rate doubles when the concentrations of both A & B were doubled and quadrupled when the concentrations of both B & C were doubled ?

A. 1 B. 2 C. 3 D. 4...