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Chemical Reaction Engineering

Chemical Reaction Engineering
The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be

75
90
100
60

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Chemical Reaction Engineering
The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called

Operational yield
Relative yield
Selectivity
None of these

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Chemical Reaction Engineering
The rate of a homogeneous reaction is a function of

Pressure and composition only
Temperature and composition only
All of these
Temperature and pressure only

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Chemical Reaction Engineering
For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is

11
22
2
4

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Chemical Reaction Engineering
The decomposition of A into B is represented by the exothermic reaction, A ⇋ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction.

At high P and high T
At high P and low T
At low P and low T
At low P and high T

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Chemical Reaction Engineering
The equilibrium constant of chemical reaction __________ in the presence of catalyst.

Increases
Decreases
Can either increase or decrease (depends on the type of catalyst)
Remains unaffected

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