Keerthi posted an Question
July 04, 2020 • 00:12 am 30 points
  • IIT JAM
  • Chemistry (CY)

Question is in below attached photo

3 Answer(s) Answer Now
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    Dinesh khalmaniya 1

    short trick Explanation:we know that From. 4 B to 2B it will take 2 times the time given Similarly going from 4Bto 2B to B to 1B/2 It takes three times the half life time given so 3×5 =15min Hope it helps

    eduncle-logo-app

    thank u sir I got it

    eduncle-logo-app

    you welcome 🙏

  • comment-profile-img>
    Priyanshu kumar

    see this and if you have any doubt in this then please ask

    cropped8762852863786018002.jpg
    eduncle-logo-app

    try it keerthi by applying formula...you get

  • comment-profile-img>
    Dinesh khalmaniya 1

    video solution https://doubtnut.com/question-answer-chemistry/two-substance-a-and-b-are-present-such-that-a4b-and-half-life-of-a-is-5-minute-and-of-b-is-15-minute-12005243

  • Suman Kumar

    https://doubtnut.com/minute-question-answer/two-substance-a-and-b-are-present-such-that-a4b-and-half-life-of-a-is-5-minute-and-of-b-is-15-minute-12005243

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