Dat destroyer gen chem question

Discussion in 'DAT Discussions' started by Futuredentguy2015, 05.13.14.

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  1. Futuredentguy2015

    Futuredentguy2015

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    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

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    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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