Q. Which of the following does not produce a change in the value of rate constant of a reaction ?

View solution

Q. For the same residence time, which one will give the maximum conversion ?

View solution

Q. __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

View solution

Q. The rate constant of a reaction depends on the

View solution

Q. For the reversible reaction A ↔ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?

View solution

Q. A batch reactor suffers from following disadvantage.

View solution

Q. A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

View solution

Q. Half life period of a chemical reaction is proportional to Cᴀ₀⁻¹ , if the reaction is of __________ order.

View solution

Q. The irreversible reaction, X → Y, is the special case of the reversible reaction, X ↔ Y, in which the

View solution

Q. In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

View solution

Q. Photo-chemical reactions occur in presence of

View solution

Q. '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

View solution

Q. Knudsen diffusion is directly proportional to

View solution

Q. Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum.

View solution

Q. The rate constant of a reaction is a function of the

View solution

Q. Mean residence time is equal to the space time, when

View solution

Q. If 'n' is the order of reaction, then unit of rate constant is

View solution

Q. The value of 'n' for a chemical reaction A → B, whose reaction rate is Cᴀⁿ, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled.

View solution

Q. Reactions with high activation energy are

View solution

Q. In case of a/an __________ chemical reaction, conversion increases with the rise in temperature.

View solution