Recalling That Benzene Has a Resonance Energy of 152 KJ

question 14

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.

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

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Definitions:

Conductors

Materials or objects that allow the flow of electrical current in one or more directions.

Kilovolt-Ampere

A unit of apparent power in an electrical circuit, equivalent to 1,000 volt-amperes, commonly used in the electricity sector.

Pure Resistive Load

An electrical load that has no capacitance or inductance, resulting in current and voltage being in phase.

Power Factor

A dimensionless number between 0 and 1 that measures the efficiency of an electrical system, calculated as the ratio of real power to apparent power.