"A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?A. Inner catalyst core of radius R/8 does not participate in reaction."

Chemical Reaction Engineering
"A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?A. Inner catalyst core of radius R/8 does not participate in reaction."

Inner catalyst core of radius R/8 does not participate in reaction

Inner catalyst core of radius 7R/8 does not participate in reaction

Inner catalyst core of radius R/2 does not participate in reaction

Ffectiveness factor for a zero order reaction can not be 7/8 as it must always be 1

Inner catalyst core of radius R/8 does not participate in reaction

Inner catalyst core of radius 7R/8 does not participate in reaction

Inner catalyst core of radius R/2 does not participate in reaction

Ffectiveness factor for a zero order reaction can not be 7/8 as it must always be 1

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Chemical Reaction Engineering
The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?

1

0.5

2

1

0.5

2

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

1

0

∞

10

1

0

∞

10

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Chemical Reaction Engineering
For multiple reactions, the flow pattern within the vessel affects the

Both A and B

Distribution of reaction products

Size requirement

Neither A nor B

Both A and B

Distribution of reaction products

Size requirement

Neither A nor B

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Chemical Reaction Engineering
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.

Increases

Unpredictable from the data

Remains unaffected

Decreases

Increases

Unpredictable from the data

Remains unaffected

Decreases

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Chemical Reaction Engineering
A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?

Large reactor followed by smaller one

Smaller reactor followed by larger one

Data insufficient, can

Either of the arrangement A or B will give the same yield

Large reactor followed by smaller one

Smaller reactor followed by larger one

Data insufficient, can

Either of the arrangement A or B will give the same yield

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Chemical Reaction Engineering

Chemical Reaction Engineering The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?

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

Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the

Chemical Reaction Engineering The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.

Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?

Chemical Reaction Engineering
The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?

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

Chemical Reaction Engineering
For multiple reactions, the flow pattern within the vessel affects the

Chemical Reaction Engineering
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst.

Chemical Reaction Engineering
A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?