Please help me with this ochem question!

[dthiem20]

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http://forums.studentdoctor.net/attachment.php?attachmentid=20111&d=1340411602

Is the answer 3 or 4?

 

[bluemoon27]

i checked my destroyer. says 3

 

[monsieurwise]

I would say 3. Are you thinking 4 because you want to add Br in between the two rings where there's a 3° carbon?

 

[athomas]

3, it cannot add to the carbon that connects the 2 rings because that carbon doesn't have a hydrogen on it

 

[athomas]

I just noticed something. It says napthalene, but isn't that anthracene? Napthalene is only 2 rings..

 

[monsieurwise]

3, it cannot add to the carbon that connects the 2 rings because that carbon doesn't have a hydrogen on it

Yes that was what I was about to say =)