JEE Main & Advanced Chemistry GOC Question Bank Structural and stereo isomerism

  • question_answer For which of the following parameters the structural isomers \[{{C}_{2}}{{H}_{5}}OH\] and \[C{{H}_{3}}OC{{H}_{3}}\] would be expected to have the same values ? (Assume ideal behaviour) [AIEEE 2004]

    A) Boiling points

    B) Vapour pressure at the same temperature

    C) Heat of vaporization

    D) Gaseous densities at the same temperature and pressure

    Correct Answer: D

    Solution :

    Gaseous density of both ethanol and dimethyl ether would be same under identical condition of temperature and pressure while the rest of these three properties vapour pressure, boiling point and heat of vaporization will differ as ethanol has hydrogen bonding where as ether does not.

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