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Chemical Reaction Engineering

Chemical Reaction Engineering
reactant and product streams). The amount of heat to be removed is

1kW
4kW
2/3 kW
5/3 kW

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Chemical Reaction Engineering
When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as

ND = (n + 1)/2
None of these
ND = n/2
ND = n + 1

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Chemical Reaction Engineering
Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes.

8
4
6
3

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Chemical Reaction Engineering
Exposure of a photographic plate to produce a latent image is an example of __________ reaction.

Very slow
Photochemical
Very fast
Both B and C

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Chemical Reaction Engineering
A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length

Increases
Is at the highest allowable temperature throughout
Decreases
First increases and then decreases

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Chemical Reaction Engineering
With increase in temperature, the rate constant obeying Arhenious equation

Decreases exponentially
Can either increase or decrease ; depends on the frequency factor
Decreases
Increases

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