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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 ?

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

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Chemical Reaction Engineering
Catalyst carriers

Inhibit catalyst poisoning
Have very high selectivity
Provide large surface area with a small amount of active material
Increase the activity of a catalyst

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Chemical Reaction Engineering
From among the following, choose one which is not an exothermic process.

Ammonia synthesis
Methanol synthesis
Oxidation of sulphur
Catalytic cracking

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Chemical Reaction Engineering
Holding time for flow reactors is __________ the space time, for constant fluid density

Triple
Double
Equal to
None of these

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Chemical Reaction Engineering
Velocity of a chemical reaction

None of these
Decreases with increase in temperature
Decreases with increase of reactant concentration
Increases with increase of pressure of reactants for all reactions

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Chemical Reaction Engineering
Specific rate constant for a second order reaction

Is independent of temperature
Depends on the nature of the reactants
Both B and C
Varies with temperature

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