Benzene Isolated by Faraday (1825) ·C:H ratio:- ·“bicarburet of hydrogen.” Synthesized by Mitscherlich(1834) 。molecular formula:_— ■“benzin” compounds with low C:H ratios ·pleasant smell ·called“_ H structure by Kekule (1866) Kekule structure Failed to explain the existence of only of benzene one isomer of 1,2-dichlorobenzene. 2013 Pearson Education,Inc. Chapter 16 2 © 2013 Pearson Education, Inc. Chapter 16 2 Benzene • Isolated by Faraday (1825) ▪ C:H ratio:___ ▪ “bicarburet of hydrogen.” • Synthesized by Mitscherlich (1834) ▪ molecular formula: _____. ▪ “benzin”. • compounds with low C:H ratios ▪ pleasant smell ▪ called “__________”. • structure by Kekulé (1866) ▪ Failed to explain the existence of only one isomer of 1,2-dichlorobenzene