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

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

Methanol synthesis

Oxidation of sulphur

Ammonia synthesis

Catalytic cracking

Methanol synthesis

Oxidation of sulphur

Ammonia synthesis

Catalytic cracking

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Chemical Reaction Engineering
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Both A & B

Pressure

Neither A nor B

Temperature

Both A & B

Pressure

Neither A nor B

Temperature

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Chemical Reaction Engineering
A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

0.5

Data insufficient, can't be predicted

0.33

1

0.5

Data insufficient, can't be predicted

0.33

1

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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 catalyst does not form an intermediate complex with the reactant

The surface of the catalyst does not play an important role during 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 catalyst does not form an intermediate complex with the reactant

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

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Chemical Reaction Engineering
In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ (i) with increase in temperature and (ii) with increase in the mole ratio of SO₂ to air.

(i) increases (ii) increases

(i) decreases (ii) increases

(i) decreases (ii) decreases

(i) increases (ii) decreases

(i) increases (ii) increases

(i) decreases (ii) increases

(i) decreases (ii) decreases

(i) increases (ii) decreases

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Chemical Reaction Engineering
The order of a chemical reaction is

An experimentally determined quantity

None of these

Always equal to the total stoichiometric number of reactants

Never fractional

An experimentally determined quantity

None of these

Always equal to the total stoichiometric number of reactants

Never fractional

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Chemical Reaction Engineering

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

Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

Chemical Reaction Engineering For a heterogeneous catalytic reaction

Chemical Reaction Engineering In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air.

Chemical Reaction Engineering The order of a chemical reaction is

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

Chemical Reaction Engineering
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Chemical Reaction Engineering
A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

Chemical Reaction Engineering
For a heterogeneous catalytic reaction

Chemical Reaction Engineering
In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ (i) with increase in temperature and (ii) with increase in the mole ratio of SO₂ to air.

Chemical Reaction Engineering
The order of a chemical reaction is