Catalyst is a substance, which ________________ chemical reaction?

Related Mcqs:

Chemical kinetics can predict the _______________ of a chemical reaction?

A. Rate B. Feasibility C. Both A. & B. D. Neither A. nor B....

Helium-mercury method can be used to determine the _____________ of the catalyst particle?

A. Pore volume B. Solid density C. Porosity D. All A., B., & C....

The unit of frequency factor in Arrhenius equation is_______________?

A. Same as that of rate constant B. Same as that of activation energy C. Dimensionless D. None of these...

Consider the ‘n’ th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot ?

A. CA0 Vs t1/2 B. ln CA0 Vs t1/2 C. CA0 Vs ln t1/2 D. ln CA0 Vs ln t1/2...

At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenius law is used. What will be this ratio, if transition state theory is used with the same value of „E/R‟ ?

A. 1.6 B. 2 C. 2.24 D. 2.5...