Question

Sooty flames of alkenes and alkynes are due to:

• A. its bondling property
• B. high percentage of carbon which does not oxidize
• C. both $A$ and $B$
• D. none of the above

Answer 1

The correct option is B high percentage of carbon which does not oxidize

Soot is impure carbon particles resulting from the incomplete combustion of hydrocarbons like acetylene. Soot is a powder like form of amorphous carbon and the gas phase soot contain polycyclic aromatic hydrocarbons. The order ranking of sooting tendency of fuel components is naphthalene,benzene and aliphatics.