Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation?

Chemical Reaction Engineering
Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation?

None of these

Langmuir

There is no dynamic equilibrium between successive layer

The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process

None of these

Langmuir

There is no dynamic equilibrium between successive layer

The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process

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Chemical Reaction Engineering
During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the

Temperature is reduced and pressure is increased

Pressure is reduced

Temperature is increased

Temperature is increased and pressure is reduced

Temperature is reduced and pressure is increased

Pressure is reduced

Temperature is increased

Temperature is increased and pressure is reduced

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Chemical Reaction Engineering
For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ?

4

2

43834

16

4

2

43834

16

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Chemical Reaction Engineering
Velocity of a chemical reaction

None of these

Decreases with increase of reactant concentration

Decreases with increase in temperature

Increases with increase of pressure of reactants for all reactions

None of these

Decreases with increase of reactant concentration

Decreases with increase in temperature

Increases with increase of pressure of reactants for all reactions

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Chemical Reaction Engineering
Signal normally used to study non-ideal flow by stimulus response technique is __________ input.

Both A & B

Pulse

Neither A nor B

Step

Both A & B

Pulse

Neither A nor B

Step

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Chemical Reaction Engineering
__________ is the response curve for a step input signal from a reactor.

None of these

I-curve

S-curve

C-curve

None of these

I-curve

S-curve

C-curve

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Chemical Reaction Engineering

Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation?

Chemical Reaction Engineering During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the

Chemical Reaction Engineering For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ?

Chemical Reaction Engineering Velocity of a chemical reaction

Chemical Reaction Engineering Signal normally used to study non-ideal flow by stimulus response technique is __________ input.

Chemical Reaction Engineering __________ is the response curve for a step input signal from a reactor.

Chemical Reaction Engineering
Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation?

Chemical Reaction Engineering
During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the

Chemical Reaction Engineering
For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ?

Chemical Reaction Engineering
Velocity of a chemical reaction

Chemical Reaction Engineering
Signal normally used to study non-ideal flow by stimulus response technique is __________ input.

Chemical Reaction Engineering
__________ is the response curve for a step input signal from a reactor.