**A.always one**

B.always less than one

C.always greater than one

D.equal to the order of reaction.

### Related Mcqs:

- For identical feed composition, flow rate, conversion and for all positive reaction orders the ratio of the volume of mixed reactor to the the volume of plug flow reactor
- For identical feed composition, flow rate, conversion and for zero-order reactions the ration of the volume of mixed reactor to the vomume of plug flow reactor is
- N plug flow reactors in series with a total volume V gives the same conversion as a single plug flow reactor of volume V. The above statement is true for
- For identical feed compostion and flow rate, N plug flow reactors in series with a total volume V gives the same conversion as a single
- The optimum size ratio for two mixed reactors in series is found in general to be dependent on the kinetics of the reaction and on the conversion level. For reaction order more than one
- Pure gaseous reactant A (CAO = 100 millimol/litre) is fed at steady rate into a mixed reactor where it dimerizes (2A ? R). For a certain gas feed rate the concentration of A in the exit stream is found to be 50 millimol/litre. The fractional conversion of A is
- One litre per second of gaseous reactant A is introduced into a mixed reactor. The stoichiometry is A ? 3R, the conversion is 50% and under these conditions the leaving flow rate is 2 litres per second. The space-time for this operation is
- When a catalyst increases the rate of a chemical reaction, the volue of the rate constant
- During the course of a chemical reaction, the rate of a reaction
- The rate constant of a reaction depends on