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Chemical Reaction Engineering

Chemical Reaction Engineering
The half life period of a first order reaction is given by (where, K = rate constant. )

2.5 K
6.93 K
1.5 K
0.693/K

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Chemical Reaction Engineering
Half life period of a chemical reaction is

None of these
Half of the residence time of a reaction
The time required to reduce the concentration of the reacting substance to half its initial value
Half of the space time of a reaction

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Chemical Reaction Engineering
In case of a/an __________ chemical reaction, conversion increases with the rise in temperature.

Irreversible exothermic
Reversible exothermic
Irreversible endothermic
Reversible endothermic

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Chemical Reaction Engineering
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

Data insufficient; can't be predicted
More than
Less than
Same as

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Chemical Reaction Engineering
For the chemical reaction P → Q, it is found that the rate of reaction doubles as the concentration of 'P' is doubled. If the reaction rate is proportional to Cpn, then what is the value of 'n' for this chemical reaction

1
2
3

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Chemical Reaction Engineering
The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is

∞
> 1
1

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