Chemical Engineering :: Chemical Reaction Engineering
- In Langmuir treatment of adsorption,
- If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to
- Pick out the correct statement.
- Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature.
- With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases.
- The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction.
- An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is
- In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction.
- For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ?
- Pick out the wrong statement.
A.
Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule |
B.
Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site |
C.
All the adsorption does not take place by the same mechanism |
D.
Extent of adsorption is more than one complete monomolecular layer on the surface |
A.
Visible radiation provides the necessary activation energy in photochemical reactions |
B.
The order and molecularity of a complex reaction may not be the same |
C.
For a second order reaction, the slope of the graph/plot between rate and (concentration) is equal to the rate constant (k) |
D.
Molecularity of the reaction is always a whole number greater than zero |