CHEMICAL REACTION ENGINEERING QUIZ

Collision theory gives the rate constant for bimolecular reaction as

None of these

K α e-E/RT

K α √T.e-E/RT

K α eE/RT

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YOUR ANSWER : ?

A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.

Conversion in both will be the same but concentrations will be different

Both conversion as well as concentration are same

Both the conversion as well as concentrations will be different

None of these

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YOUR ANSWER : ?

The most suitable reactor for carrying out an auto-thermal reaction is a

Batch reactor

Semi-batch reactor

CSTR

Plug-flow reactor

TRUE ANSWER : ?
YOUR ANSWER : ?

Transition state theory gives the rate constant as

K α eE/RT

K α √T . e-E/RT

K α e-E/RT

K α T . e-E/RT

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YOUR ANSWER : ?

Study of chemical kinetics is the easiest in the case of __________ reactions.

Irreversible

Reversible

Side

Surface

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For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.

Diffusion through ash layer

Either A, B or C

Film diffusion

Chemical reaction

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YOUR ANSWER : ?

What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ?

1/3

1/2

1/9

3

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Shift conversion reaction

Converts CO to CO₂ with steam

Is highly exothermic

Converts N₂ and H₂ into NH₃

Is non-catalytic

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YOUR ANSWER : ?

The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are

Highly temperature sensitive

Always irreversible

Insensitive to temperature changes

Mostly irreversible

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The performance equations for constant density systems are identical for

P.F.R. and batch reactor

Batch reactor and backmix reactor

P.F.R, batch reactor and backmix reactor

P.F.R. and backmix reactor

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YOUR ANSWER : ?

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