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Imdadul Haque posted an Question
November 01, 2020 • 18:02 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Two substances a and b are present such that [a] = 4 [b] and half life ot a is 5 minute and g d of b is 15 minute. if they start decaying at the same time follo

Two substances A and B are present such that [A] = 4 [B] and half life ot A is 5 minute and g d of B is 15 minute. If they start decaying at the same time following first order, how much time later will the concentration of both of them would be same? (A) 15 minute (B) 9 minute (C) 6 minute (DY 12 minute

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    Dinesh khalmaniya 1 Best Answer

    option A 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

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