The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

Chemical Reaction Engineering
The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

2

0.5

3

1

2

0.5

3

1

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Chemical Reaction Engineering
Rate of an autocatalytic chemical reaction is a function of

Temperature only

All of these

Pressure only

Composition only

Temperature only

All of these

Pressure only

Composition 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

The catalyst does not form an intermediate complex with the reactant

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

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

The catalyst does not form an intermediate complex with the reactant

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

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Chemical Reaction Engineering
The residence time distribution of an ideal CSTR is

Exp(-t/τ)

1/τ exp (-t/τ)

1/τ (-t/τ)

Τ exp (-t/τ)

Exp(-t/τ)

1/τ exp (-t/τ)

1/τ (-t/τ)

Τ exp (-t/τ)

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Chemical Reaction Engineering
With increase in initial concentration, the fractional conversion of a first order reaction in a given time

Increases

Remains constant

Decreases

Unpredictable

Increases

Remains constant

Decreases

Unpredictable

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Chemical Reaction Engineering
The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A.

Absorption of A

Surface reaction between A in the gas phase and absorbed B

Surface reaction between absorbed A and B in the gas phase

Surface reaction between absorbed A and absorbed B

Absorption of A

Surface reaction between A in the gas phase and absorbed B

Surface reaction between absorbed A and B in the gas phase

Surface reaction between absorbed A and absorbed B

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Chemical Reaction Engineering

Chemical Reaction Engineering The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

Chemical Reaction Engineering Rate of an autocatalytic chemical reaction is a function of

Chemical Reaction Engineering For a heterogeneous catalytic reaction

Chemical Reaction Engineering The residence time distribution of an ideal CSTR is

Chemical Reaction Engineering With increase in initial concentration, the fractional conversion of a first order reaction in a given time

Chemical Reaction Engineering The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A.

Chemical Reaction Engineering
The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

Chemical Reaction Engineering
Rate of an autocatalytic chemical reaction is a function of

Chemical Reaction Engineering
For a heterogeneous catalytic reaction

Chemical Reaction Engineering
The residence time distribution of an ideal CSTR is

Chemical Reaction Engineering
With increase in initial concentration, the fractional conversion of a first order reaction in a given time

Chemical Reaction Engineering
The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A.