At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

Chemical Reaction Engineering
At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

2

2.24

2.5

1.6

2

2.24

2.5

1.6

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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.

Surface reaction between absorbed A and absorbed B

Surface reaction between A in the gas phase and absorbed B

Surface reaction between absorbed A and B in the gas phase

Absorption of A

Surface reaction between absorbed A and absorbed B

Surface reaction between A in the gas phase and absorbed B

Surface reaction between absorbed A and B in the gas phase

Absorption of A

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Chemical Reaction Engineering
The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the

Concentration of

Equilibrium constant is infinite

All of these

Fractional conversion of

Concentration of

Equilibrium constant is infinite

All of these

Fractional conversion of

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Chemical Reaction Engineering
Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A 3B. Mole fraction of A in the exit stream is

43833

43835

43834

43832

43833

43835

43834

43832

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Chemical Reaction Engineering
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.

Is smaller than

Can be either greater or smaller than (depends on the type of reaction)

Equals

Is greater than

Is smaller than

Can be either greater or smaller than (depends on the type of reaction)

Equals

Is greater than

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Chemical Reaction Engineering
Which of the following does not produce a change in the value of rate constant of a reaction?

Concentration and catalyst

Pressure

Temperature

None of these

Concentration and catalyst

Pressure

Temperature

None of these

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Chemical Reaction Engineering

Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

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 irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the

Chemical Reaction Engineering Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A 3B. Mole fraction of A in the exit stream is

Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.

Chemical Reaction Engineering Which of the following does not produce a change in the value of rate constant of a reaction?

Chemical Reaction Engineering
At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

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 irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the

Chemical Reaction Engineering
Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A 3B. Mole fraction of A in the exit stream is

Chemical Reaction Engineering
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.

Chemical Reaction Engineering
Which of the following does not produce a change in the value of rate constant of a reaction?