BCECE Engineering BCECE Engineering Solved Paper-2003

  • question_answer
    Which of the following is false?

    A) Glycerol has strong hydrogen bonding

    B) Glycol is a poisonous alcohols

    C) Waxes are esters of higher alcohols with higher acids

    D) Alkyl halides have higher b. p. than corresponding alcohols

    Correct Answer: D

    Solution :

    Key Idea: Explain all the terms to find which is false statement. (a) Glycerol has strong hydrogen bonding due to presence of 3-OH groups in it. It is correct statement. (b) Alkyl halides have lower boiling point than alcohols because alcohols have stronger forces of attraction between the hydrogen bonds as compared to weaker van der Waals forces between molecules of alkyl halide. \[\therefore \]  Statement (d) is false.


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