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Chemical Reaction Engineering

Chemical Reaction Engineering
What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only?

Third
Zero
Second
First

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Chemical Reaction Engineering
Fluid flow in a real packed bed can be approximated as __________ model.

Plug flow
Mixed flow
Dispersion
Tank in series

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Chemical Reaction Engineering
For the reaction, A + B → 2B + C,

rA = -rB
rA = 2rB
rA = rB/2
rA = rB

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Chemical Reaction Engineering
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Increase
Remain same
Data in insufficient; can't be predicted
Decrease

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Chemical Reaction Engineering
A photochemical reaction is

Initiated by light
All of these
Accompanied with emission of light
Catalysed by light

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Chemical Reaction Engineering
The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is

43833
43898
43959
43864

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