Why is reacting O2 less for aromatic hydrocarbon than aliphatic hydrocarbon?

Why is reacting O2 less for aromatic hydrocarbon than aliphatic hydrocarbon? Correct Answer Desired product

In vapour-phase oxidation of aliphatic substances such as methanol and the lower-molecular-weight aliphatic hydrocarbons, the ratio of reacting oxygen is generally lower than in the case of the aromatic hydrocarbons for the formation of the desired products, and for this reason heat removal is simpler.
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