Q. When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value.

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Q. An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.

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Q. A catalyst in a chemical reaction

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Q. Slurry reactors are characterised by the

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Q. Limiting reactant in a chemical reaction decides the

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Q. Consider the 'n'th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t₁/₂) and the initial reactant concentration (Cᴀ₀) gives a straight line plot ?

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Q. The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction.

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Q. Kinetics of a solid catalysed reaction can best be studied in a __________ reactor.

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Q. The reactions of high molecularity are rare, because

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Q. Which of the following is the most suitable for isothermal operation ?

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Q. For a first order chemical reaction, the rate constant

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Q. A catalyst promoter

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Q. In case of a P.F.R., there

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Q. For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.

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Q. If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is

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Q. In a zero order reaction, reactants concentration does not change with time and the

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Q. Promoter is added to the catalyst to improve its

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Q. An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will

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Q. When a high liquid hold up is required in a reactor for gas liquid reaction, use __________ coloumn.

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Q. In an exothermic reaction, the energy of the reacting substances as compared to that of products is

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