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

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Q. The rate constant of a reaction depends on the

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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 ?

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Q. A batch reactor suffers from following disadvantage.

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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

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

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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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