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Chemical Reaction Engineering

Chemical Reaction Engineering
Molecularity of an elementary reaction, P + Q → R + S is

2
1
3
4

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Chemical Reaction Engineering
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.

Equals
Can be either greater or smaller than (depends on the type of reaction)
Is greater than
Is smaller than

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Chemical Reaction Engineering
The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line?

XA(1 - XA)Vs τ
XA Vs . τ
XA Vs ln τ
XA/(1 - XA)Vs τ

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Chemical Reaction Engineering
The vessel dispersion number (D/μL) for plug flow is

500
∞
750

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Chemical Reaction Engineering
An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will

Depend on the temperature
Be same in both cases
Be more in PFR than in CSTR
Be more in CSTR than in PFR

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Chemical Reaction Engineering
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Catalytic
Autocatalytic
Photochemical
Biochemical

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