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प्रश्न
In a first order reaction \[\ce{x -> y}\]; if k is the rate constant and the initial concentration of the reactant x is 0.1 M, then, the half life is
विकल्प
`((log 2)/"k")`
`(0.693/((0.1) "k"))`
`((ln 2)/"k")`
none of these
उत्तर
`((ln 2)/"k")`
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