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Chemical Reaction Engineering

Chemical Reaction Engineering
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants)

A
N
A+N
A-N

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Chemical Reaction Engineering
Sum of the powers of the concentration terms in the rate equation is called the __________ of the reaction.

Order
Overall order
Molecularity
None of these

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Chemical Reaction Engineering
A high space velocity means that a given

Reaction can be accomplished with small reactor
None of these
Conversion can be obtained with a high feed rate
Both A and B

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Chemical Reaction Engineering
For an autocatalytic reactor, the suitable reactor set up is

CSTR followed by P.F. reactor
CSTR in series
P.F. reactors in series
P.F. reactor followed by CSTR

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Chemical Reaction Engineering
An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.

Remain unchanged
Increase
Increase exponentially
Decrease

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Chemical Reaction Engineering
The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.

First
Zero
Second
None of these

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