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?

There is no dynamic equilibrium between successive layer

Langmuir

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

There is no dynamic equilibrium between successive layer

Langmuir

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

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Chemical Reaction Engineering
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.

Fixed bed reactor followed by a fluidised

Fixed

Fluidised

Fluidised bed reactor followed by a fixed

Fixed bed reactor followed by a fluidised

Fixed

Fluidised

Fluidised bed reactor followed by a fixed

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Chemical Reaction Engineering
Which of the following chemical reactions will be favoured by low pressure ?

N₂ + O₂ ⇋ 2NO

N₂O₂ ⇋ 2NO₂

2HI ⇋ H₂ + I₂

None of these

N₂ + O₂ ⇋ 2NO

N₂O₂ ⇋ 2NO₂

2HI ⇋ H₂ + I₂

None of these

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Chemical Reaction Engineering
The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

A ferment or an enzyme

Haemoglobin

None of these

Fungi

A ferment or an enzyme

Haemoglobin

None of these

Fungi

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Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Slow reactions in catalyst of large pore diameter

Slow reactions in catalyst of small pore diameter

Fast reactions in catalyst of small pore diameter

Fast reaction in catalyst of large pore diameter

Slow reactions in catalyst of large pore diameter

Slow reactions in catalyst of small pore diameter

Fast reactions in catalyst of small pore diameter

Fast reaction in catalyst of large pore diameter

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Chemical Reaction Engineering
From among the following, choose one which is not an exothermic process.

Methanol synthesis

Ammonia synthesis

Oxidation of sulphur

Catalytic cracking

Methanol synthesis

Ammonia synthesis

Oxidation of sulphur

Catalytic cracking

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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 For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.

Chemical Reaction Engineering Which of the following chemical reactions will be favoured by low pressure ?

Chemical Reaction Engineering The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Chemical Reaction Engineering From among the following, choose one which is not an exothermic process.

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
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.

Chemical Reaction Engineering
Which of the following chemical reactions will be favoured by low pressure ?

Chemical Reaction Engineering
The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Chemical Reaction Engineering
From among the following, choose one which is not an exothermic process.