Chemical Reaction Engineering
Reaction Kinetics
GATE 2012
Medium
The half-life of an nth order reaction in a batch reactor depends on
- Aonly the rate constant
- Bonly the rate constant and the order of the reaction
- Conly the rate constant and the initial reactant concentration
- the rate constant, initial reactant concentration, and the order of the reaction
Explanation
For a general nth order reaction, t1/2=[2^(n−1)−1]/[(n−1)kC0^(n−1)] (for n≠1), which depends on k, C0, AND n. (Only for the special case n=1 does the dependence on C0 drop out.)
Source: GATE CH 2012 (2012)
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