Chemical Engineering :: Chemical Reaction Engineering
- 'Unreacted core model' represents the reaction involving
- If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to
- Pick out the wrong statement.
- Half life period of a chemical reaction is
- Fluid flow in a real packed bed can be approximated as __________ model.
- Participation of __________ is involved in the occurrence of a chemical reaction.
- With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction
- 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
- For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the
- Pick out the wrong statement.
Whatsapp
Facebook
|
A.
In a multistep reaction, the slowest step is the rate determining step |
|
B.
In general, the rate of a reaction becomes triple for every 10°C rise in temperature |
|
C.
Slow chemical reactions have generally high values of activation energy |
|
D.
Molecularity of a reaction can not be zero but the order of a reaction can be zero |
|
A.
Or a first order consecutive reaction, a tubular flow reactor as compared to a stirred tank reactor provides higher overall selectivity |
|
B.
Or an ideal mixed reactor at steady state, the exit stream has the same composition as fluid within the reactor and the space time is equivalent to holding time for constant density system |
|
C.
Lug flow reactor (PFR) is always smaller than mixed reactor for all positive reaction orders for a particular duty |
|
D.
Eaction rate does not decrease appreciably as the reaction proceeds in case of an autocatalytic reaction |