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 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 absorbed B

Surface reaction between absorbed A and B in the gas phase

Absorption of A

Surface reaction between A in the gas phase and absorbed B

Surface reaction between absorbed A and absorbed B

Surface reaction between absorbed A and B in the gas phase

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Chemical Reaction Engineering
For a first order chemical reaction, the rate constant

Changes on changing the concentration units

Is not a function of the unit of time

None ofthese

Has unit of time⁻¹

Changes on changing the concentration units

Is not a function of the unit of time

None ofthese

Has unit of time⁻¹

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Chemical Reaction Engineering
The order of a chemical reaction is

Always equal to the total stoichiometric number of reactants

An experimentally determined quantity

Never fractional

None of these

Always equal to the total stoichiometric number of reactants

An experimentally determined quantity

Never fractional

None of these

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Chemical Reaction Engineering
Half life period of a chemical reaction is

Half of the space time of a reaction

None of these

Half of the residence time of a reaction

The time required to reduce the concentration of the reacting substance to half its initial value

Half of the space time of a reaction

None of these

Half of the residence time of a reaction

The time required to reduce the concentration of the reacting substance to half its initial value

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Chemical Reaction Engineering
Pick out the wrong statement pertaining to space velocity of flow reactors.

None of these

The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour

The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor

The unit of space velocity is (time)⁻¹

None of these

The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour

The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor

The unit of space velocity is (time)⁻¹

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Chemical Reaction Engineering
The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C.

256

512

112

612

256

512

112

612

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Chemical Reaction Engineering

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 For a first order chemical reaction, the rate constant

Chemical Reaction Engineering The order of a chemical reaction is

Chemical Reaction Engineering Half life period of a chemical reaction is

Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors.

Chemical Reaction Engineering The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C.

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
For a first order chemical reaction, the rate constant

Chemical Reaction Engineering
The order of a chemical reaction is

Chemical Reaction Engineering
Half life period of a chemical reaction is

Chemical Reaction Engineering
Pick out the wrong statement pertaining to space velocity of flow reactors.

Chemical Reaction Engineering
The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C.