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

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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.

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Q. Photo-chemical reactions occur in presence of

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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

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Q. Knudsen diffusion is directly proportional to

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

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

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

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

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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.

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Q. Reactions with high activation energy are

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

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

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

2A + B → A₂B, ( - rᴀ) = k.Cᴀ.Cʙ

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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.

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Q. Velocity of a chemical reaction

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Q. Backmixing is most predominant in

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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)

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

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

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