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JEE Main & Advanced JEE Main Paper Phase-I (Held on 08-1-2020 Morning)

  • question_answer
    A flask contains a mixture of isohexane and 3-methylpentane. One of the liquids boils at \[63{}^\circ C\]While the other boils at \[60{}^\circ C\]. What is the best way to separate the two liquids and which One will be distilled out first? [JEE MAIN Held On 08-01-2020 Morning]

    A) Simple distillation, isohexane

    B) Fractional distillation, isohexane

    C) Simple distillation, 3-methylpentane

    D) Fractional distillation, 3-methylpentane

    Correct Answer: B

    Solution :

    [b] Two volatile liquids having their boiling points close to each other can be separated by fractional distillation. Out of the two given liquids, isohexane has lower boiling point and hence will distill out first.


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