For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Chemical Reaction Engineering
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Catalyst size is reduced or the catalyst diffusivity is increased

Catalyst size is increased or the catalyst diffusivity is increased

Catalyst size is reduced or the catalyst diffusivity is reduced

Catalyst size is increased or the catalyst diffusivity is reduced

Catalyst size is reduced or the catalyst diffusivity is increased

Catalyst size is increased or the catalyst diffusivity is increased

Catalyst size is reduced or the catalyst diffusivity is reduced

Catalyst size is increased or the catalyst diffusivity is reduced

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Chemical Reaction Engineering
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is

9210°K

8987°K

8621°K

8764°K

9210°K

8987°K

8621°K

8764°K

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Chemical Reaction Engineering
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to

None of these

Lose a proton

Gain an electron

Gain a proton

None of these

Lose a proton

Gain an electron

Gain a proton

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Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Blood

Intestine

Gland

Saliva

Blood

Intestine

Gland

Saliva

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Chemical Reaction Engineering
Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

Heat of reaction

None of these

Activation energy

Equilibrium constant

Heat of reaction

None of these

Activation energy

Equilibrium constant

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Chemical Reaction Engineering
With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction

Remains unaffected

Increases linearly with temperature

Decreases

Increases

Remains unaffected

Increases linearly with temperature

Decreases

Increases

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Chemical Reaction Engineering

Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is

Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to

Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

Chemical Reaction Engineering With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction

Chemical Reaction Engineering
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Chemical Reaction Engineering
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is

Chemical Reaction Engineering
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to

Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering
Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

Chemical Reaction Engineering
With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction