Question

Of the following compounds, whose ozonolysis proves the Kekule structure of benzene?
A. a.Benzene
B. b.Toluene
C. c.o-Xylene
D. d.p-Xylene

Answer 1

Correct Answer - C
o-Xylene on ozonolysis gives glyoxal: methylglyoxal: dimethyl glyoxal in the ratio `3:2:1`, which proves the existance of resonance in benzene and hence proves the Kekule structure of benzene. So the answer is `(c )`.