Why alkane give non sooty flame while alkenes and alkynes give sooty
flame on burning.
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Alkanes have less amount of carbon content in them..with sufficient oxygen all will burn cleanly. Alkanes general formula is CnH(2n+2). The higher the amount of carbon in a hydrocarbon,the more oxygen and more heat is required to convert all of the carbon to CO2. Alkenes (CnH2n), having a double bond (C=C) in their makeup contain less Hydrogen and therefore will need a little extra oxygen in order to give complete combustion of carbon. That’s why alkanes generally burn with a clean flame.
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Answer:
This is because alkanes are saturated hydrocarbons that burn completely... giving a non sooty flame
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