Q. A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.

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Q. Which of the following is the most suitable for very high pressure gas phase reaction ?

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Q. The reaction between oxygen and organic material is a/an __________ reaction.

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Q. With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction

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Q. In an exothermic chemical reaction, the reactants compared to the products have

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Q. Which of the following will give maximum gas conversion ?

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Q. __________ explains the mechanism of catalysis.

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Q. From among the following, choose one which is not an exothermic process.

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Q. The fractional volume change of the system for the isothermal gas phase reaction, A → 3B , between no conversion and complete conversion is

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Q. A catalyst

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Q. In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.

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Q. The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is

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Q. Pick out the wrong statement pertaining to space velocity of flow reactors.

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Q. A reactor is generally termed as an autoclave, when it is a

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Q. 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO₂ and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant ?

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Q. The rate constant of a chemical reaction decreases by decreasing the

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Q. __________ is the response curve for a step input signal from a reactor.

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Q. 'If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

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Q. For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.

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Q. For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times.

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