Q. Pick out the correct statement.

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Q. If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.

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Q. The units of frequency factor in Arhenious equation

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Q. Which of the following is not a chemical step in a fluid solid catalytic reaction ?

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Q. The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C.

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Q. A catalyst in a chemical reaction __________ free energy change in the reaction.

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Q. Signal normally used to study non-ideal flow by stimulus response technique is __________ input.

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Q. When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.

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Q. The half life period of a first order reaction is

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Q. The rate constant of a first order reaction depends on the

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Q. A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

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Q. The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is

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Q. Which of the following will favour the reverse reaction in a chemical equilibrium reaction ?

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Q. Conversion increases with increase in temperature in case of a an __________ reaction.

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Q. At a given temperature, K₁, K₂ and K₃ are equilibrium constants for the following reactions 1, 2, 3 respectively.

CH₄(g) + H₂O(g) ↔ CO(g) + 3H₂(g)
CO(g) + H₂O(g) ↔ CO₂(g) + H₂(g)
CH₄(g) + 2H₂O(g) ↔ CO₂(g) + 4H₂(g)

Then K1, K2 and K3 are related as:

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Q. In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds.

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Q. For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.

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Q. B.E.T. method can be used to determine the __________ of a porous catalyst.

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Q. A photochemical reaction is __________ light.

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Q. Pick out the wrong statement.

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