Chemical Reaction Engineering
A back mix reactor is

Suitable for gas phase reactions
Same as ideal stirred tank reactor
Same as plug flow reactor (PFR)
Ideal at very low conversion

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Chemical Reaction Engineering
In a zero order reaction, reactants concentration does not change with time and the

Reaction rate is trebled when the initial concentration is trebled
Time for half change is half the time taken for completion of the reaction
Time for half change is independent of the initial concentration
Time for completion of the reaction is independent of the initial concentration

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Chemical Reaction Engineering
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Catalyst size is increased or the catalyst diffusivity is reduced
Catalyst size is reduced or the catalyst diffusivity is increased
Catalyst size is increased or the catalyst diffusivity is increased
Catalyst size is reduced or the catalyst diffusivity is reduced

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