If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to

Chemical Reaction Engineering
If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to

(E + ED) where ED is activation due to diffusion

(E + ED)/2

ED/2

The intrinsic activation energy E

(E + ED) where ED is activation due to diffusion

(E + ED)/2

ED/2

The intrinsic activation energy E

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Chemical Reaction Engineering
The heat of reaction

Depends on the mechanism of reaction only

Is independent of the mechanism of reaction

Depends on both pressure and mechanism of reaction

Depends on the pressure only

Depends on the mechanism of reaction only

Is independent of the mechanism of reaction

Depends on both pressure and mechanism of reaction

Depends on the pressure only

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Chemical Reaction Engineering
For a heterogeneous catalytic reaction

Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction

A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important

The surface of the catalyst does not play an important role during reaction

The catalyst does not form an intermediate complex with the reactant

Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction

A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important

The surface of the catalyst does not play an important role during reaction

The catalyst does not form an intermediate complex with the reactant

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Chemical Reaction Engineering
Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃.

Unpredictable from the data

Decreases

Increases

Remains unchanged

Unpredictable from the data

Decreases

Increases

Remains unchanged

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Chemical Reaction Engineering
The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be

1

2

3

1

2

3

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Chemical Reaction Engineering
A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes.

8

16

4

12

8

16

4

12

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Chemical Reaction Engineering

Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to

Chemical Reaction Engineering The heat of reaction

Chemical Reaction Engineering For a heterogeneous catalytic reaction

Chemical Reaction Engineering Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃.

Chemical Reaction Engineering The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be

Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes.

Chemical Reaction Engineering
If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to

Chemical Reaction Engineering
The heat of reaction

Chemical Reaction Engineering
For a heterogeneous catalytic reaction

Chemical Reaction Engineering
Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃.

Chemical Reaction Engineering
The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be

Chemical Reaction Engineering
A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes.