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 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

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

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Chemical Reaction Engineering
The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

3

0.5

1

2

3

0.5

1

2

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Chemical Reaction Engineering
reactant and product streams). The amount of heat to be removed is

1kW

2/3 kW

5/3 kW

4kW

1kW

2/3 kW

5/3 kW

4kW

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Chemical Reaction Engineering
The energy of activation of a chemical reaction

Is same as heat of reaction at constant pressure

Varies as fifth power of the temperature

Is the minimum energy which the molecules must have before the reaction can take place

Both B and C

Is same as heat of reaction at constant pressure

Varies as fifth power of the temperature

Is the minimum energy which the molecules must have before the reaction can take place

Both B and C

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Chemical Reaction Engineering
In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ (i) with increase in temperature and (ii) with increase in the mole ratio of SO₂ to air.

(i) increases (ii) decreases

(i) increases (ii) increases

(i) decreases (ii) decreases

(i) decreases (ii) increases

(i) increases (ii) decreases

(i) increases (ii) increases

(i) decreases (ii) decreases

(i) decreases (ii) increases

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Chemical Reaction Engineering
Mean residence time is equal to the space time, when

The temperature, pressure and the density of reaction mixture remains constant throughout the reactor

The feed rate is measured at temperature and pressure in the reactor

All of these

There is no change in number of moles in gaseous reaction

The temperature, pressure and the density of reaction mixture remains constant throughout the reactor

The feed rate is measured at temperature and pressure in the reactor

All of these

There is no change in number of moles in gaseous reaction

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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 in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

Chemical Reaction Engineering reactant and product streams). The amount of heat to be removed is

Chemical Reaction Engineering The energy of activation of a chemical reaction

Chemical Reaction Engineering In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air.

Chemical Reaction Engineering Mean residence time is equal to the space time, when

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 in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

Chemical Reaction Engineering
reactant and product streams). The amount of heat to be removed is

Chemical Reaction Engineering
The energy of activation of a chemical reaction

Chemical Reaction Engineering
In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ (i) with increase in temperature and (ii) with increase in the mole ratio of SO₂ to air.

Chemical Reaction Engineering
Mean residence time is equal to the space time, when