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Chemical Engineering - Chemical Reaction Engineering

Exercise : Chemical Reaction Engineering - Section 1
31.
The increase in the rate of reaction with temperature is due to
increase in the number of effective collisions.
decrease in activation energy.
increase in the average kinetic energy of the reacting molecules.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A catalyst loses its activity due to
loss in surface area of the active component.
agglomeration of metal particles caused by thermal sintering of the solid surface.
covering of the catalytic active sites by a foregin substance.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
'N' plug flow reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for __________ order reactions.
first
second
third
any
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Specific rate constant for a second order reaction
is independent of temperature.
varies with temperature.
depends on the nature of the reactants.
both (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
For the irreversible elementary reactions in parallel viz , the rate of disappearance of 'X' is equal to
CA(K1+K2)
CA(K1 + K2)/2
CA . K1/2
CA . K2/2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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