The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ? A.…
Arrhenius equation shows the variation of ___________________ with temperature? A. Reaction rateB. Rate constant C. Energy of activation D. Frequency factor
The rate constant of a chemical reaction increases by increasing the______________________? A. Temperature B. Pressure C. Reactant’s concentration D. None of these
What is the dispersion number for a CSTR ? A. 0 B. 1 C. < 1D. ∞
Catalyst is a substance, which ________________ chemical reaction? A. Increases the speed of a B. Decreases the speed of aC. Can either increase or decrease the speed of a D. Alters the value of equilibrium constant in a reversible
_____________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst? A. N2 B. H2 C. CO2 D. He
The equilibrium constant of a catalytic chemical reaction _______________ due to the presence of? a catalyst. A. Increases B. DecreasesC. Remain unaffected D. Unpredictable from the data
Following isothermal kinetic data are obtained in a basket type of mixed flow reactor for a porous catalyst. Determine the role of pore diffusion and external mass transfer processes ? A. Strong pore diffusion control and mass transfer not controlling…
A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow…
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the____________________? A. Catalyst size is reduced or the catalyst diffusivity is reducedB. Catalyst size is reduced or the…