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Chemical Reaction Engineering

Chemical Reaction Engineering
Most important characteristics of gas-liquid reactors are the

Both A and B
Specific inter-facial area
None of these
Liquid hold-up

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Chemical Reaction Engineering
The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is

PFR in series
Plug flow reactor
Series of CSTR
Backmix reactor

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Chemical Reaction Engineering
A catalyst promoter

Itself has very high activity
Acts as a catalyst support
All of these
Improves the activity of a catalyst

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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)
(1 + x)²
(1 - x)²

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Chemical Reaction Engineering
Threshold energy in a reaction is equal to the

Activation energy
Sum of A & B
Neither A nor B
Normal energy of reactants

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Chemical Reaction Engineering
Oil is hydrogenated using nickel catalyst in a __________ reactor.

Batch
Fluidised bed
Slurry
Fixed bed

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