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Textbook Example 8.13: Bond Enthalpy

Posted: Thu Jan 21, 2016 7:44 pm
by Antonio Melgoza 2K
How do you know which bonds form/break? There are 6 C-H bonds in CH3CHCH2, why don't those break? The equation is attached below.

Re: Textbook Example 8.13: Bond Enthalpy

Posted: Fri Jan 22, 2016 10:29 am
by Chem_Mod
Since the final product is given, you can safely predict which bonds will be broken/unchanged. In this case we have an example of an electrophilic addition of bromine to propene. In this electrophilic reaction the C=C double bond is broken, and a bromine attaches to to each carbon, forming the aforementioned product.