For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is

Chemical Reaction Engineering
For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is

Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase

Surface reaction between A in the gas phase and absorbed B

Surface reaction between absorbed A and absorbed B

Desorption of C

Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase

Surface reaction between A in the gas phase and absorbed B

Surface reaction between absorbed A and absorbed B

Desorption of C

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Chemical Reaction Engineering
The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line?

XA Vs . τ

XA/(1 - XA)Vs τ

XA Vs ln τ

XA(1 - XA)Vs τ

XA Vs . τ

XA/(1 - XA)Vs τ

XA Vs ln τ

XA(1 - XA)Vs τ

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Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Stirred tank followed by tubular flow reactor (each of 2.5 litres)

Two stirred tank (each of 2.5 litres) in series

Single stirred tank (v = 5 litres)

Single tubular flow reactor (v = 5 litres)

Stirred tank followed by tubular flow reactor (each of 2.5 litres)

Two stirred tank (each of 2.5 litres) in series

Single stirred tank (v = 5 litres)

Single tubular flow reactor (v = 5 litres)

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Chemical Reaction Engineering
What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on?

Litre/second

Moles/litre.second

Litre/mole

Litre/mole.second

Litre/second

Moles/litre.second

Litre/mole

Litre/mole.second

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Chemical Reaction Engineering
In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

No change

Increase

Unpredictable from the data

Decrease

No change

Increase

Unpredictable from the data

Decrease

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Chemical Reaction Engineering
The eddy diffusivity for a liquid in plug flow must be

0

∞

1

Between 0 and 1

0

∞

1

Between 0 and 1

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Chemical Reaction Engineering

Chemical Reaction Engineering For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is

Chemical Reaction Engineering The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line?

Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion?

Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on?

Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

Chemical Reaction Engineering The eddy diffusivity for a liquid in plug flow must be

Chemical Reaction Engineering
For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is

Chemical Reaction Engineering
The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line?

Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Chemical Reaction Engineering
What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on?

Chemical Reaction Engineering
In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

Chemical Reaction Engineering
The eddy diffusivity for a liquid in plug flow must be