Payal Asked a Question
October 13, 2020 2:24 pmpts 30 pts
Which of the following hydrogen molecules has highest vibrational frequency? (D deuterium; T = tritium) (A) Ha 3. (B) HD (C) Da (D) Ta
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  • Suman Kumar
    option A is correct
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  • Priyanshu kumar Best Answer
    The vibrational freq is inversely related to the reduced mass of the atom pair. Since H2 has the smallest reduced mass ( lightest), it has the greatest freq.
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    Priyanshu kumar
    Option A vib freq =(1/2pi)(sqrt(k/u))  u is reduced mass  u = m1m2/(m1 + m2)
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