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Chemical Reaction Engineering

Chemical Reaction Engineering
The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be

75
90
60
100

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Chemical Reaction Engineering
For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is

1
-0.25
-0.5

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Chemical Reaction Engineering
Rate of an autocatalytic chemical reaction is a function of

Temperature only
Composition only
Pressure only
All of these

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Chemical Reaction Engineering
Fluidised bed reactor is characterised by

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

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Chemical Reaction Engineering
If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be

(1 + x)
(1 + x)²
(1 - x)
(1 - x)²

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Chemical Reaction Engineering
If 'n' is the order of reaction, then unit of rate constant is

1/(time)(concentration)n - 1
(time)-1 (concentration)n - 1
None of these
(time)n - 1 (concentration)

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