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प्रश्न
For a first order reaction \[\ce{A ->Product}\] with initial concentration x mol L−1, has a half life period of 2.5 hours. For the same reaction with initial concentration `("x"/2)` mol L−1 the half life is
विकल्प
(2.5 × 2) hours
`(2.5/2)` hours
2.5 hours
Without knowing the rate constant, t1/2 cannot be determined from the given data
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उत्तर
2.5 hours
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