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Recalling That Benzene Has a Resonance Energy of 152 KJ

Question 157

Multiple Choice

Recalling that benzene has a resonance energy of 152 kJ mol-1 and naphthalene has a resonance energy of 255 kJ mol-1,predict the positions which would be occupied by bromine when phenanthrene (below) undergoes addition of Br2. Recalling that benzene has a resonance energy of 152 kJ mol<sup>-1</sup> and naphthalene has a resonance energy of 255 kJ mol<sup>-1</sup>,predict the positions which would be occupied by bromine when phenanthrene (below) undergoes addition of Br<sub>2</sub>. A) 1,2 B) 1,4 C) 3,4 D) 7,8 E) 9,10


A) 1,2
B) 1,4
C) 3,4
D) 7,8
E) 9,10

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