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NEET Chemistry Analytical Chemistry Question Bank Self Evaluation Test - Analytical Chemistry

  • question_answer
    0.24 g of a volatile liquid on vaporization gives 45 ml of vapours at NTP. What will be the vapour density of the substance? (Density of \[{{H}_{2}}=0.089g\text{ }{{L}^{-1}}\])

    A) 95.39               

    B) 39.95

    C) 99.53               

    D) 59.93

    Correct Answer: D

    Solution :

    [d] \[\text{V}\text{.D}\text{.}=\frac{Wt.\,of\,45ml.\,of\,vapours\text{ }at\text{ }NTP}{Wt.of\,45ml.of\,{{H}_{2}}\,at\,NTP}\] \[=\frac{0.24g}{45ml.\times 0.000089gm{{l}^{-1}}}=59.93\]


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