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Chemical Reaction Engineering

Chemical Reaction Engineering
The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is

1
3
2

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Chemical Reaction Engineering
With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be

Same in both the reactors
Data insufficient; can't be predicted
Higher in CSTR
Higher in P.F. reactor

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Chemical Reaction Engineering
A typical example of an exothermic reversible reaction conducted at high pressure in industry is

Methanol synthesis
Reformation of methane
Dehydration of ethanol
Polymerisation of ethylene

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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
Proportional to the square of
Proportional to
Independent of

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Chemical Reaction Engineering
A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to

Lose a proton
None of these
Lose an electron
Gain a proton

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Chemical Reaction Engineering
If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is

0
2
1
3

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