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A first order reaction takes 69.3 minute...

A first order reaction takes `69.3` minutes for `50%` completion. How much time will be needed for `80%` completion?

Text Solution

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`160.9` minutes
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A first order reaction takes 69.3 min for 50% completion. Set up on equation for determining the time needed for 80% completion.

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Knowledge Check

  • 90% of a first order reaction was completed in 100 min . How much time it will take for 80% completion of a reaction

    A
    `90 min`
    B
    `80 min`
    C
    `70 min`
    D
    `60 min`

  • A first order reaction requires 30 minutes for 50 % completion . The time required to complete the reaction by 75 % will be __.

    A
    45 timutes
    B
    15 minutes
    C
    60 minutes
    D
    None of these

  • A first order reaction is 50% completed in 1.26 xx 10^(14) s. How much time would it take for 100% completion ?

    A
    `1.26 xx 10^(15)s`
    B
    `2.52 xx 10^(14) s`
    C
    `2.52 xx 10^(28)s`
    D
    Infinite

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