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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

60
100
75
90

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

Ammonia synthesis
Catalytic cracking
Methanol synthesis
Oxidation of sulphur

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Chemical Reaction Engineering
In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the

Initial concentration of N₂ and H₂
Total pressure of the system
Volume of the reactor
Temperature

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Chemical Reaction Engineering
6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO₂ and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant?

0.2
0.75
0.95
1

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Chemical Reaction Engineering
For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is

>1
≥1
1
∞

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Chemical Reaction Engineering
A batch reactor is characterised by

Constant residence time
Variation in reactor volume
Very low conversion
Variation in extent of reaction and properties of the reaction mixture with time

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