NEET Sample Paper NEET Sample Test Paper-27

  • question_answer 3-pentanol upon reaction with \[PB{{r}_{3}}\]gives 2 and 3-bromopentane. Such rearrangement can be avoided by:

    A)  using excess of \[PB{{r}_{3}}\]

    B)  choosing low temperature form reaction

    C)  converting alcohol into sulphuric or sulphonic add

    D)  converting alcohol into carboxylate esters.

    Correct Answer: C

    Solution :

    Therefore it gives 2 and 3-bromopentane but when alcohol is converted into sulphonic acid and then bromination takes place a single compound is formed.

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