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Chemical Reaction Engineering

Chemical Reaction Engineering
Photo-chemical reactions occur in presence of

Solid catalysts
Sunlight
Monochromatic radiation only
Darkness

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Chemical Reaction Engineering
A batch reactor is characterised by

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

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Chemical Reaction Engineering
Exothermic reactions are best carried out in

A plug flow reactor followed by CSTR
CSTR in series
A CSTR
CSTR followed by a plug flow reactor

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Chemical Reaction Engineering
For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR.

0.3
0.9
0.15
0.6

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Chemical Reaction Engineering
The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

1
0.5
3
2

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Chemical Reaction Engineering
For any reaction, we may write conversion as a function of

Temperature
Concentration
All of these
Time

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