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

Q. A space velocity of 5 hr⁻¹ means that

View solution

Q. Find a mechanism that is consistent with the rate equation and reaction given below:

2A + B → A₂B, ( - rᴀ) = k.Cᴀ.Cʙ

View solution

Q. A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds.

View solution

Q. Velocity of a chemical reaction

View solution

Q. Backmixing is most predominant in

View solution

Q. If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

View solution

Q. In an ideal mixed reactor (at steady state), the

View solution

Q. The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.

View solution

Q. Which of the following factors control the design of a fluid-solid reactor ?

View solution

Q. A Catalyst

View solution

Q. The unit of frequency factor in Arhenious equation is

View solution

Q. With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion)

View solution