Dat destroyer gen chem question

Discussion in 'DAT Discussions' started by Futuredentguy2015, May 13, 2014.

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  1. Futuredentguy2015

    Futuredentguy2015

    117
    12
    Dec 27, 2013
    How many isomers [consitutional can be drawn for C4H10O?

    the answer is 7, but how would I know this?
     
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  3. Thanhn

    Thanhn 2+ Year Member

    127
    83
    Nov 17, 2012
    Iowa
    How I would think of it.
    How many degrees of unsaturation? Zero (O.Chem knowledge)
    This means that there are no pi bonds or rings so the oxygen can only contribute by way of an alcohol or ether.
    With an alcohol, there are 4 carbons so 4 different locations for the alcohol to form.
    There are 3 locations for an ether to form (not 4 because the 4th would be a terminal carbon).
    This gives you 7.

    Or you can draw all of the possible constitutional isomers.
     

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