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For a first order reaction, the half life period is independent of the ___________

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For a first order reaction, the half life period is independent of the ___________

(a) Initial concentration of the reactants

(b) Final concentration of the reactants

(c) Rate constant

(d) Concentration of products

This question was posed to me in examination.

This is a very interesting question from Integrated Rate Equation and Half Lives in division Reaction Dynamics of Engineering Chemistry I

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Right option is (a) Initial concentration of the reactants

Explanation: For a first order reaction, the half life period is independent of the initial concentration of the reactants. t1/2 = ln2 / K .

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