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NEET Sample Paper NEET Sample Test Paper-30

  • question_answer
    Identify the correct order of boiling points of the following compounds \[\underset{I}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OH}}\,\] \[\underset{II}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}COH}}\,\] \[\underset{III}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}COOH}}\,\]

    A) \[I>II>III\]                  

    B)  \[III>I>II\]

    C)  \[I>III>II\]          

    D)  \[III>II>I\]

    Correct Answer: B

    Solution :

    Butanoic acid forms more exhaustive H-bonding than butanol. On the other hand but anol do not formmtermolecularH-bonding. Hence, the order of boiling point will be \[III>I>II\].


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