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Chemical Reaction Engineering

Chemical Reaction Engineering
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is

3
1
2

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

0.693/K
2.5 K
1.5 K
6.93 K

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Chemical Reaction Engineering
Chemical reaction rate of a component depends upon the

Temperature of the system
All of these
Pressure of the system
Composition of the component only

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

Same
More
Less
Either A or B, depends on order of reaction

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Chemical Reaction Engineering
The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is

43833
43959
43898
43864

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Chemical Reaction Engineering
Rate of a chemical reaction is not influenced by the

Reactants concentration
Catalyst
Temperature
Number of molecules of reactants taking part in a reaction

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