Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b

Chemical Reaction Engineering
Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b

Use batch reactor or plug flow reactor, when a > b

Avoid recycle, when a > b

Use CSTR with a high conversion, when a > b

Use high pressure and eliminate inerts, when a > b

Use batch reactor or plug flow reactor, when a > b

Avoid recycle, when a > b

Use CSTR with a high conversion, when a > b

Use high pressure and eliminate inerts, when a > b

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Chemical Reaction Engineering
Promoter.

Atlers the position of equilibrium in a reversible reaction

Initiates a chemical reaction and is a catalyst by itself

Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals

All of these

Atlers the position of equilibrium in a reversible reaction

Initiates a chemical reaction and is a catalyst by itself

Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals

All of these

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Chemical Reaction Engineering
In an exothermic reaction, the energy of the reacting substances as compared to that of products is

More

Either A or B, depends on order of reaction

Same

Less

More

Either A or B, depends on order of reaction

Same

Less

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Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Fast reactions in catalyst of small pore diameter

Slow reactions in catalyst of small pore diameter

Fast reaction in catalyst of large pore diameter

Slow reactions in catalyst of large pore diameter

Fast reactions in catalyst of small pore diameter

Slow reactions in catalyst of small pore diameter

Fast reaction in catalyst of large pore diameter

Slow reactions in catalyst of large pore diameter

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

Equals

Is greater than

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)

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Chemical Reaction Engineering
Which of the following is not a unit of reaction rate?

Mole formed/volume of catalyst) (time)

Moles formed/volume of reactor) (time)

None of these

Moles for med/(surface of catalyst) (time)

Mole formed/volume of catalyst) (time)

Moles formed/volume of reactor) (time)

None of these

Moles for med/(surface of catalyst) (time)

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Chemical Reaction Engineering

Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b

Chemical Reaction Engineering Promoter.

Chemical Reaction Engineering In an exothermic reaction, the energy of the reacting substances as compared to that of products is

Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

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 is not a unit of reaction rate?

Chemical Reaction Engineering
Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b

Chemical Reaction Engineering
Promoter.

Chemical Reaction Engineering
In an exothermic reaction, the energy of the reacting substances as compared to that of products is

Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

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 is not a unit of reaction rate?