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4.25

Posted: Sat Feb 27, 2016 4:08 pm
by Dahriel Aron 3A
In 4.25 it shows an arrow flowing from a double bond to a Br2 molecule. In the br2 molecule the br that the arrow first points to is marked as electropositive in the answers and the second br is marked as electronegative and I was wondering how to decipher which would be the negative and which would be the positive br molecule

Re: 4.25

Posted: Sat Feb 27, 2016 5:14 pm
by Chem_Mod
The double bond acts a nucleophile therefore it must attack an electrophile. The electrophile is the particular bromine which is having a partial positive charge