A. Have very high selectivity
B. Increase the activity of a catalyst
C. Provide large surface area with a small amount of active material
D. Inhibit catalyst poisoning
Month: February 2019
A. Fastest
B. Slowest
C. Intermediate
D. Data insufficient; can’t be predicted
A. Gas film diffusion
B. Ash diffusion
C. Chemical reaction
D. None of these
A. (1 + x)
B. (1 – x)
C. (1 + x)2
D. (1 – x)2
A. And decreases that of backward reaction
B. And backward reaction equally
C. Only
D. To a greater extent than that of the backward reaction
A. Concentration of the reactant
B. Temperature
C. Concentration of the product
D. Time
A. Are the same as those of the rate constant
B. Depend on the order of the reaction
C. Depend on temperature, pressure etc. of the reaction
D. Are cycles per unit time
A. 0
B. 1
C. 2
D. 3
A. Increases
B. Decreases
C. Either A. or B.; depends on the type of catalyst
D. Neither A. nor B.
A. ∞
B. 0
C. 1
D. > 1
