Define the benzylic position

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Question- Can you explain how to do this problem? I thought I was supposed to add the Br to the benzylic position, but I keep getting it wrong...I think I'm putting my carbocation in the wrong position.

ph-ch=ch-ch=ch2 + HBr

It is not a question in the book, so I just need the full solution of deriving!

Reference no: EM13707238

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