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.
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.
A. Double
B. Triple
C. Equal to
D. None of these
A. Decrease
B. Increase
C. No change
D. Either A. or B., depends on the type of reaction
A. Increase
B. Decrease
C. Remain same
D. Data in insufficient; can’t be predicted
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 same mechanism
D. Extent of adsorption is more than one complete monomolecular layer on the surface
A. Higher in P.F. reactor
B. Higher in CSTR
C. Same in both the reactors
D. Data insufficient; can’t be predicted
A. T
B. √T
C. 1/√T
D. T2