Chemical Reaction

The first order series reaction as shown in the bellow figure is conducted in a batch reactor. The initial concentrations of A, B and C (CA0, CB0, CC0 respectively) are all non-zero. The variation of CB with reaction time will not show a maximum, if___________________?

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A. k2 CB0 > k1 CA0
B. k CA0 > k2.CB0
C. CB0 > CA0
D. CA0 > CB0

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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 ?

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A. More than
B. Less than
C. Same as
D. Data insufficient; can’t be predicted

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