Chemical Kinetics and Nuclear ChemistryMedium
Question
The time taken in 75% completion of a zero-order reaction is 10 h. In what time, the reaction will be 90% completed?
Options
A.12.0 h
B.16.6 h
C.10.0 h
D.20.0 h
Solution
$K = \frac{\left\lbrack A_{0} \right\rbrack - \lbrack A\rbrack}{t} = \text{Constant}$
Or, $\frac{a - 0.25a}{10} = \frac{a - 0.10a}{t} \Rightarrow t = 12\text{ hours}$
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