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    csaxon's Avatar
    csaxon Posts: 4, Reputation: 1
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    #1

    Apr 28, 2009, 02:38 AM
    1-bromobutane and yield
    In the preparation of 1-bromobutane from butanol why is the yield not 100%.

    Also, why is sodium metabisulfate added in the isolation part.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Apr 28, 2009, 03:09 AM

    It is quite hard to control a reversible reaction, and your question is no exception.

    Have a look at this; especially the 'notes' part.

    Preparation of 1-Bromobutane
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