Chemical Engineering - Chemical Reaction Engineering

16.
For a vapour phase catalytic reaction (A + B P) which follows the Ridel mechanism and the reaction step is rate controlling, the rate of reaction is given by (reaction rate is irreversible, product also absorbs).
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.
film
ash layer
pore
none of these
Answer: Option
Explanation:
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18.
The units of frequency factor in Arhenious equation
are the same as those of the rate constant.
depend on the order of the reaction.
depend on temperature, pressure etc. of the reaction.
are cycles per unit time.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Which of the following is not a chemical step in a fluid solid catalytic reaction ?
Surface chemical reaction
Adsorption
Desorption
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
For a series of reactions having k1 << k2, the reaction system can be approximated as
Answer: Option
Explanation:
No answer description is available. Let's discuss.