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Chemical Reaction Engineering

Chemical Reaction Engineering
A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)

None of these
∝ CA
∝ 1/CA
Independent of temperature

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Chemical Reaction Engineering
With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be

Data insufficient; can't be predicted
Higher in CSTR
Higher in P.F. reactor
Same in both the reactors

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Chemical Reaction Engineering
The rate at which a chemical substance reacts is proportional to its

None of these
Active mass
Equivalent weight
Molecular weight

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Chemical Reaction Engineering
If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

Decreases
Remains unaltered
Increases
Changes unpredictably

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Chemical Reaction Engineering
For an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by

A ramp function
A dirac delta function
None of these
A step function

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Chemical Reaction Engineering
Which of the following fixes the volume of a batch reactor for a particular conversion and production rate?

Rate constant
None of these
Operating conditions (e.g. pressure and temperature)
Density of mixture

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