What are some of the by products of burning coal? Why does coal leave more soot upon burning than the other more aliphatic fuels obtains by petroleum?

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Chemistry

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4 February, 16:36

What are some of the by products of burning coal? Why does coal leave more soot upon burning than the other more aliphatic fuels obtains by petroleum?

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Ishaan Fernandez · Answer 1

Besides carbon dioxide and water as the main products of burning coal, there are a number of by-products of burning coal, such as different oxide of sulfur (usually SO₂, but much more), different oxide of nitrogen, and many heavy and toxic metals (such as mercury, arsenic, cadmium, lead).

Coal has more aromatic hydrocarbons that more aliphatic fuels and burning of aromatic hydrocarbons produces more soot that burning of aliphatic hydrocarbons.