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Chemical Reaction Engineering

Chemical Reaction Engineering
Half life period of a first order irreversible reaction A → B is

Ln 0.5/k
Ln k/2
Ln 2/k
K/2

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Chemical Reaction Engineering
n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume

V
1/V
V/n
V.n

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Chemical Reaction Engineering
The rate of a homogeneous reaction is a function of

Pressure and composition only
All of these
Temperature and pressure only
Temperature and composition only

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

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

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Chemical Reaction Engineering
For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to l/4th of its initial volume, then the rate of reaction compared to the original rate will be __________ times.

43838
16
43846
8

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Chemical Reaction Engineering
For an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by

A step function
A ramp function
None of these
A dirac delta function

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