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Chemical Reaction Engineering

Chemical Reaction Engineering
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible.

> 0.5
< 0.5
∞
0

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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?

1
0.75
0.95
0.2

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Chemical Reaction Engineering
For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.

Stirred tank
Fixed bed
Tubular flow
Batch

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Chemical Reaction Engineering
With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases.

Unpredictable from the data
Decreases
Remains unaffected
Increases

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Chemical Reaction Engineering
For a homogeneous reaction of nth order, the dimension of the rate constant is given by

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

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Chemical Reaction Engineering
The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from

None of these
L.0 to 10⁻⁸
L.l.to 10²
0.1 to 0.9

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