Properties of Alkanes (HSC SSCE Chemistry): Flashcards
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Type of substance alkanes are
Type of substance alkanes are
Covalent molecular substances
Why alkanes are non-polar
Why alkanes are non-polar
C & H have similar electronegativity; symmetrical shape
Only intermolecular force in alkanes
Only intermolecular force in alkanes
Dispersion forces (London forces)
Effect of larger molecular size on boiling point
Effect of larger molecular size on boiling point
Higher bp (more electrons, stronger dispersion forces)
State of short chain alkanes at room temperature
State of short chain alkanes at room temperature
Gases
Which have higher bp: linear or branched alkanes?
Which have higher bp: linear or branched alkanes?
Linear (pack closely, more dispersion forces)
Do alkanes conduct electricity?
Do alkanes conduct electricity?
No (no charged particles)
Solubility of alkanes in water
Solubility of alkanes in water
Insoluble (non-polar, can't form strong interactions)
Primary use of methane
Primary use of methane
Heating and cooking (natural gas)
What is a feedstock?
What is a feedstock?
Starting material to manufacture other chemicals