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प्रश्न
The half-life of a first order reaction is ______ of the initial conc. of the reactant.
रिक्त स्थान भरें
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उत्तर
The half-life of a first order reaction is independent of the initial conc. of the reactant.
Explanation:
The half-life of a first-order reaction is independent of the initial concentration of the reactant. This is a unique characteristic of first-order reactions, and it can be derived from the integrated rate law for first-order kinetics:
`t_(1//2) = 0.693/k`
Since k is a constant, the half-life does not depend on how much reactant is present initially.
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