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Chemical Reaction Engineering

Chemical Reaction Engineering
The residence time distribution of an ideal CSTR is

Exp(-t/τ)
1/τ exp (-t/τ)
Τ exp (-t/τ)
1/τ (-t/τ)

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Chemical Reaction Engineering
What is the dispersion number for a plug flow reactor?

1
-1
?

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

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

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Chemical Reaction Engineering
Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction?

Surface phenomenon resistance
Gas film and pore surface diffusion resistances for reactants
Ash resistance
Gas film and pore surface diffusion resistances for products

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Chemical Reaction Engineering
Molecularity of a reaction

May not be equal to the order of reaction
Both B and C
Can
Is always equal to the overall order of reaction

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Chemical Reaction Engineering
The reason why a catalyst increases the rate of reaction is that, it

Decreases the energy barrier for reaction
Increases the activation energy
Decreases the molecular collision diameter
None of these

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MORE MCQ ON Chemical Reaction Engineering

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