Q. For the reaction given below, the rate of formation of Z is 0.2 gm mole/litre.hr. what is the rate of disappearance of X in gm mole/litre. hr ?

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Q. Which of the following is not a dimension-less group used in catalysis ?
(where, D = dispersion co-efficient, cm² /sec.
D1 = diffusion co-efficient; cm²/sec.
L = length of the reactor, cm.
t = time, sec.
v = volumetric flow rate, cm³/sec .
V = volume, cm³.)

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Q. Volume change for unimolecular type first order reaction given below, increases __________ with time.

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Q. Decomposition rate of a liquid 'X' which decomposes as per the following reaction is given by

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Q. From collison theory, the reaction rate constant is proportional to

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Q. For a mixed flow reactor operating at steady state, the rate of reaction is given by

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Q. Transition state theory gives the rate constant as

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Q. A liquid phase reaction is to be carried out under isothermal conditions. The reaction rate as a function of conversion has been determined experimentally and is shown in the figure given below. What choice of reactor or combination of reactors will require the minimum overall reactor volume, if a conversion of 0.9 is desired ?

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Q. The rate equation for the reaction represented by below equation, is given by - rₓ = K₁ . Cₓ/(1 + K₂ Cₓ). At high value of Cₓ (i.e.., K₂Cₓ > > 1), the order of the reaction and the rate constant are respectively

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Q. For a __________ order chemical reaction given below, the half life period is independent of the initial concentration of the reactant A.

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Q. The rate expression for the gaseous phase reaction, CO + 2H₂ ↔ CH₃OH, is given below. Which of the following is not possible ?

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Q. The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by

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Q. A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is

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Q. The following half life data are available for the irreversible liquid phase reaction A → products. The overall order of reaction is

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Q. A non-catalytic chemical reaction of the following type is called a __________ reaction.

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Q. The reaction rate constants at two different temperature T₁ and T₂ are related by

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Q. What is the order of chemical reaction given below , if it is found that the reaction rate doubles on doubling the concentration of B and also the reaction rate doubles when the concentrations of both A & B were doubled and quandrupled when the concentrations of both B & C were doubled ?

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Q. If n = overall order of a chemical reaction, a = initial concentration of reactant, t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship.

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Q. The order of the chemical reaction given below, whose rate equation is given as -rᴀ = KCᴀ². Cʙ is

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Q. With increase in K₂/K₁ in case of a unimolecular type elementary reactions given below, the fractional yield of 'R' in mixed reactor (for a given conversion of 'A')

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