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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Q. For a tubular flow reactor with uniform concentration and temperature, the independent variable is

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Q. Pick out the wrong statement.

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Q. The extent of a reaction is

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Q. Higher free energy of activation of a chemical reaction (at a given temperature) implies

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Q. Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because

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Q. Arhenious equation shows the variation of __________ with temperature.

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Q. When a catalyst increases the rate of chemical reaction, the rate constant

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Q. In which of the following reactions, the equilibrium will shift to the right, if the total pressure is increased?

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Q. The catalyst in a first order chemical reaction changes the

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Q. The dispersion number of perfect mixed flow is

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Q. An irreversible aqueous phase reaction, A + B → P, is carried out in an adiabatic mixed flow reactor. A feed containing 4 kmole/m³ of each A and B enters the reactor at 8 m³ /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?

Data:
Heat of reaction = - 50 kJ/mole
Density of the reacting mixture = 1000 kg/m³
Specific heat of reacting mixture = 2 kJ/kg.K

The above data can be assumed to be independent of temperature and composition.

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Q. For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rᴀ₀ is invariant with total pressure. The rate controlling step is

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Q. Half life period of a first order irreversible reaction A → B is

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Q. Which of the following fixes the volume of a batch reactor for a particular conversion and production rate ?

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Q. Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

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Q. With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

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