Rahul posted an Question
July 15, 2021 • 21:53 pm 30 points
  • IIT JAM
  • Chemistry (CY)

186. the fiuorescence life time of a molecule in solution in 10 ns. if the fhuorescence quantum yiekd is 0.1, the rate constant of fluorescence decay is (a) 1 x

186. The fiuorescence life time of a molecule in solution in 10 ns. If the fhuorescence quantum yiekd is 0.1, the rate constant of fluorescence decay is (a) 1 x 10" s (b) 1 x 10 s (c)1x 10s (d) 9x 10s

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    Priyanshu kumar

    option C is correct Rate of a reaction = dA/dt So =0.1/10*10^(-9) sec -1 = 10^7 sec-1 And Quantum yield is the ratio of no of molecules consumed by no of photons absorbed.

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