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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Q. Collision theory gives the rate constant for bimolecular reaction as

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Q. The temperature dependence of reaction rate constant (K) by Arhenius law is given by

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Q. For a __________ order chemical reaction given below, the fractional conversion of reactant 'A' is proportional to time.

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Q. Consider a reversible exothermic reaction in a plug flow reactor. The maximum and minimum permissible temperatures are Tₘₐₓ and Tₘᵢₙ respectively. Which of the following temperature (T) profiles will require the shortest residence time to achieve the desired conversion.

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Q. Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as

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Q. The residence time distribution of an ideal CSTR is

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Q. In case of unimolecular type elementary reaction given below, plug flow reactor as compared to mixed reactor is

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Q. The first order series reaction given below, is conducted in a batch reactor. The initial concentrations of A, B and C (Cᴀ₀, Cʙ₀, Cc₀ respectively) are all non-zero. The variation of Cʙ with reaction time will not show a maximum, if

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Q. Effectiveness factor (E) of a catalyst pellet is defined as below. Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

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Q. The mean conversion in the exit stream, for a second order, liquid phase reaction in a non-ideal flow reactor is given by

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Q. Concentration of the limiting reactant (with initial concentration of a moles/litre) after time t is (a-x). Then 't' for a first order reaction is given by

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Q. Which of the following holds good for an elementary reaction given below:

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Q. The following gas phase reaction is taking place in a plug flow reactor.
A stoichiometric mixture of A and B at 300 K is fed to the reactor. At 1 m along the length of the reactor, the temperature is 360 K. The pressure drop is negligible and an ideal gas behaviour can be assumed. Identify the correct expression relating the concentration of A at the inlet (Cᴀ₀), concentration of A at 1m (Cᴀ) and the corresponding conversion of A (X).

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