How many of the following on reductive ozonolysis will give only glyoxal ? 1,3-butadiene, ethylene, acetylene, o-xylene, m-xylene, p-xylene, benzene, cyclobutadiene, cyclooctateraene

How many of the following on reductive ozonolysis will give only glyox

1.	How many of the following on reductive ozonolysis will give only glyoxal ? 1,3-butadiene, ethylene, acetylene, o-xylene, m-xylene, p-xylene, benzene, cyclobutadiene, cyclooctateraene
Answer» SOLUTION :FOUR , acetylene, BENZENE, cyclobutadiene, cyclooctatetraene.