Chemical Engineering - Chemical Reaction Engineering - Discussion


If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is

[A]. 0
[B]. 1
[C]. 2
[D]. 3

Answer: Option C


No answer description available for this question.

Raj Musale said: (Jun 1, 2015)  
Design equation for CSTR:

V = Fjo X /-rj.
V = Cjo Vjo X /-rj.

Space time = Cjo X / -rj.

Now space time is inversely proportional.

Concentration when the reaction is second order i.e 5.

Space time = Cjo X/K Cj^2.

Space time = Cjo X/K Cjo^2 (1-X)^2.

So space time is inversely proportional to the concentration when the reaction is second order.

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