What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ?

Chemical Reaction Engineering
What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ?

3

1/3

1/9

1/2

3

1/3

1/9

1/2

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Chemical Reaction Engineering
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Catalyst size is reduced or the catalyst diffusivity is increased

Catalyst size is increased or the catalyst diffusivity is reduced

Catalyst size is increased or the catalyst diffusivity is increased

Catalyst size is reduced or the catalyst diffusivity is reduced

Catalyst size is reduced or the catalyst diffusivity is increased

Catalyst size is increased or the catalyst diffusivity is reduced

Catalyst size is increased or the catalyst diffusivity is increased

Catalyst size is reduced or the catalyst diffusivity is reduced

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Chemical Reaction Engineering
For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at

High temperature in a PFR

Low temperature in a PFR

High temperature in a CSTR

Low temperature in a CSTR

High temperature in a PFR

Low temperature in a PFR

High temperature in a CSTR

Low temperature in a CSTR

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Chemical Reaction Engineering
For an ideal plug flow reactor, the value of Peclet number is

0

∞

1

10

0

∞

1

10

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Chemical Reaction Engineering
__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

H₂

He

N₂

CO₂

H₂

He

N₂

CO₂

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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?

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

There is no dynamic equilibrium between successive layer

Langmuir

None of these

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

There is no dynamic equilibrium between successive layer

Langmuir

None of these

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Chemical Reaction Engineering

Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ?

Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at

Chemical Reaction Engineering For an ideal plug flow reactor, the value of Peclet number is

Chemical Reaction Engineering __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

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
What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ?

Chemical Reaction Engineering
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Chemical Reaction Engineering
For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at

Chemical Reaction Engineering
For an ideal plug flow reactor, the value of Peclet number is

Chemical Reaction Engineering
__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

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?