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Chemical Reaction Engineering

Chemical Reaction Engineering
In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ?

N? + O? ? 2NO
2NO? ? N?O?
2SO? + O? ? 2SO?
2O? ? 3O?

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Chemical Reaction Engineering
The reaction between oxygen and organic material is a/an __________ reaction.

Biochemical
Exothermic
Endothermic
Photochemical

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Chemical Reaction Engineering
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.

No change
Either A or B, depends on the type of reaction
Increase
Decrease

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Chemical Reaction Engineering
The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is

Series of CSTR
PFR in series
Backmix reactor
Plug flow reactor

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Chemical Reaction Engineering
Velocity of a reaction depends upon the

Nature of the reactants
Concentration of the reactants
All of these
Temperature at which the reaction is carried

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

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

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