Q. The importance of diffusion in a catalyst are increased by

View solution

Q. A back mix reactor is

View solution

Q. Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

View solution

Q. The rate of the heterogenous catalytic reaction A(g) + B(g) → C(g) is given by
-rᴀ = k.Kᴀ.pᴀ.Pʙ/(1 + Kᴀ.Pᴀ + Kc.pc), where Kᴀ and Kc are the adsorption equilibrium constants.
The rate controlling step for this reaction is

View solution

Q. In Langmuir treatment of adsorption,

View solution

Q. Organic catalysts differ from the inorganic catalyst in the sense that the former is

View solution

Q. An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction

View solution

Q. Pick out the wrong statement.

View solution

Q. For an ideal plug flow reactor, the value of Peclet number is

View solution

Q. If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is

View solution

Q. The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the

View solution

Q. In a continuous flow stirred tank reactor, the composition of the exit stream

View solution

Q. Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.

View solution

Q. The energy balance equation over a tubular reactor under transient conditions is

View solution

Q. The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called

View solution

Q. The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to

View solution

Q. The eddy diffusivity for a liquid in plug flow must be

View solution

Q. For multiple reactions, the flow pattern within the vessel affects the

View solution

Q. An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is

View solution

Q. Equilibrium of a chemical reaction as viewed by kinetics is a __________ state.

View solution