Shapes, Properties, and Uses (Leaving Cert Chemistry): Flashcards
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Shape around each C in ethane ()
Shape around each C in ethane ()
Tetrahedral
Bond angle in ethane
Bond angle in ethane
Shape around each C in ethene ()
Shape around each C in ethene ()
Trigonal planar
Bond angle in ethene
Bond angle in ethene
Geometry of ethyne ()
Geometry of ethyne ()
Linear with bond angles
Shape around each C in benzene ()
Shape around each C in benzene ()
Trigonal planar
What determines molecular shape in hydrocarbons?
What determines molecular shape in hydrocarbons?
Number of sigma bonds around each carbon
Boiling point trend as alkane chain length increases
Boiling point trend as alkane chain length increases
Boiling points increase progressively
Why do larger hydrocarbons have higher boiling points?
Why do larger hydrocarbons have higher boiling points?
Stronger London dispersion forces
Boiling points: branched vs straight-chain alkanes
Boiling points: branched vs straight-chain alkanes
Branched have lower boiling points
Solubility of hydrocarbons in water
Solubility of hydrocarbons in water
Essentially insoluble (non-polar)
Primary component of natural gas
Primary component of natural gas
Methane
Use of ethene and propene in industry
Use of ethene and propene in industry
Building blocks for plastics industry
Industrial use of ethyne
Industrial use of ethyne
Oxyacetylene welding and cutting
Use of bitumen (high molecular mass hydrocarbons)
Use of bitumen (high molecular mass hydrocarbons)
Road construction and roofing