Q. For the liquid phase parallel reactions:

R, rR = K₁.Cᴀ₂; E₁ = 80 KJ/mole
S, rs = K₁.Cᴀ ; E₂ = 120 KJ/mole

The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at

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Q. With increase in initial concentration, the fractional conversion of a first order reaction in a given time

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Q. The rate of reaction of a/an __________ reaction is not affected by temperature rise.

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Q. With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases.

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Q. Half-life period for a first order reaction is __________ the initial concentration of the reactant.

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Q. Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison.

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Q. Fluidised bed reactor is characterised by

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Q. In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure ?

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Q. Space time equals the mean residence time

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Q. A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes.

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Q. What is the dispersion number for a plug flow reactor ?

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Q. The decomposition of A into B is represented by the exothermic reaction, A ↔ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction.

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Q. The catalytic converter for conversion of SO₂ to SO₃ by contact process should have a feed with SO₂ content between

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Q. If the pore diffusion controls in a catalytic reaction, the apparent activation energy Eₐ is equal to

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Q. The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

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Q. Pick out the wrong statement.

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Q. Kinetics of a catalytic reaction can be best studied on a/an __________ reactor.

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Q. In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.

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Q. Exothermic reactions are best carried out in

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Q. The rate of a gas phase reaction is given by K . Cᴀ . Cʙ. If the volume of the reaction vessel is reduced to 1/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times.

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