Question bank/JEE Main/Chemistry
JEE MainChemistryModeratePhysical Chemistry
In a first order reaction, the concentration of the reactant,
decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the
concentration to change from 0.1 M to 0.025 M is
Show answer and solution
The concentration fo the reactant decreases from 0.8 M to 0.4 M
in 15 minutes, i.e., minute. Therefore, the concentration
of reactant will fall from 0.1 M to 0.025 in two half live. i.e.,
minutes.
in 15 minutes, i.e., minute. Therefore, the concentration
of reactant will fall from 0.1 M to 0.025 in two half live. i.e.,
minutes.
Source: Grass-G / CH-28 Chemistry Paper FST 16 Jan.docx
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