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CHEMICAL REACTION ENGINEERING

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

Mole formed/volume of catalyst) (time)
Moles for med/(surface of catalyst) (time)
Moles formed/volume of reactor) (time)
None of these

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Chemical Reaction Engineering
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.

Inversely proportional to
Independent of
Proportional to
Proportional to the square of

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Chemical Reaction Engineering
Conversion increases with increase in temperature in case of a an __________ reaction.

Reversible endothermic
Autocatalytic
Irreversible
Reversible exothermic

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Chemical Reaction Engineering
Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

6
18
12
24

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Chemical Reaction Engineering
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 ?

1/2
3
1/3
1/9

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