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Chemical Reaction Engineering

Chemical Reaction Engineering
The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?

0.5
2
1

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

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

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

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

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Chemical Reaction Engineering
Which of the following is a characteristic of an ideal plug flow reactor?

Axial dispersion
Uniform mixing
Flat velocity profile
None of these

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Chemical Reaction Engineering
The units of frequency factor in Arhenious equation

Depend on temperature, pressure etc. of the reaction
Are cycles per unit time
Depend on the order of the reaction
Are the same as those of the rate constant

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Chemical Reaction Engineering
Fluidised bed reactor is characterised by

Uniformity of temperature
Comparatively smaller equipment
Very small pressure drop
Absence of continuous catalyst regeneration facility

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