Saturated Hydrocarbon Reactions (HSC SSCE Chemistry): Flashcards

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Saturated Hydrocarbon Reactions
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Another name for saturated hydrocarbons

Alkanes

Why alkanes are called 'saturated'

Each C bonded to max number of H atoms

Products of complete combustion of alkanes

Carbon dioxide and water

Products of incomplete combustion of alkanes

Carbon monoxide and/or soot (solid carbon)

Energy: complete vs incomplete combustion of hexane (kJ/mol)

∼4000\sim 4000 (complete) vs <2000<2000 (incomplete)

CO concentration causing toxicity (ppm)

Above 10 ppm

Why CO is toxic to humans

Binds to haemoglobin more strongly than O2\text{O}_2

Conditions for alkane substitution reactions

UV light and Cl2\text{Cl}_2 or Br2\text{Br}_2

Product type from alkane substitution reactions

Haloalkanes

Alkane vs alkene with bromine water at room temp

Alkane: no change; alkene: orange colour disappears

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