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    Saturation of Lipids - Bromine

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    If you add 1 drop of 5% bromine solution in hexane to 1mL each of 5% solution of lard, olive oil, and corn oil dissolved in hexane, what happens to the bromine that causes each mixture to turn colorless?

    If you continue adding drops of bromine to each, eventually the lipids change color. For our experiment it took 14 for lard, 23 for olive oil, and 35 for corn oil. Yet, the iodine numbers for each were 59, 81, 123 respectively. Would you consider the bromine numbers to be consistent in any way with the iodine numbers? How?

    Does a high halogen number indicate a more or less saturated fat? Why or why not? If so, would this particular lipid be considered by nutritionists to be more or less desirable in your diet? Why?

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    Solution Preview

    The bromine attacks the unsaturated double bonds onto which its atoms are added. The bromine ruptures the unsaturated double bonds and its atoms are added to the adjacent carbon atoms having the unsaturated bonds.

    Yes the bromine ...

    Solution Summary

    152 words explaining why bromine mixtures go colorless as well as consistence between iodine and bromine numbers, and what halogen numbers indicate about saturated fat.