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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?
2O? ? 3O?
2SO? + O? ? 2SO?

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Chemical Reaction Engineering
In a CSTR __________ varies with time.

Concentration
Both A & B
Neither A nor B
Reaction rate

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Chemical Reaction Engineering
B.E.T. method can be used to determine the __________ of a porous catalyst.

All of these
Pore volume
Solid density
Surface area

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Chemical Reaction Engineering
The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is

0.5
0.425
Data insufficient to calculate
0.875

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Chemical Reaction Engineering
Which of the following will give maximum gas conversion?

Fluidised bed reactor
Fixed bed reactor
Semi-fluidised bed reactor
Plug-flow catalytic reactor

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Chemical Reaction Engineering
The catalyst in a second order reversible reaction increases the rate of the forward reaction

To a greater extent than that of the backward reaction
Only
And decreases that of backward reaction
And backward reaction equally

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