Alkanes - DF Flashcards
Alkanes involve carbon what does this mean
they are part of organic chemistry
Are alkanes saturated or unsaturated and why
saturated because they do not contain a C=C double bond
they are also hydrocarbons - only contain carbon and hydrogens
Hydrocarbon definition
molecule that only contains hydrogens and carbons
Hydrocarbon examples
alkene - contain a C=C double bond
alkane - contain single bonds
alkynes - contain a carbon carbon tripe bond
arenes - contain a benzene ring
Aromatic definition
molecule contains a benzene ring
Aliphatic definition
molecule that doesn’t contain a benzene ring
Full structural formula definition
shows all the elements and bonds
https://qph.cf2.quoracdn.net/main-qimg-3e1a6286be64cbf2cc8e33f1569eb05f
Abbreviated structural formula
shows elements without bonds
https://upload.wikimedia.org/wikipedia/commons/5/57/Butane-condensed-structural-formulae.svg
True structure definition
contains elements and bonds and shows ones that are close and far away
https://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Methane-2D-stereo.svg/800px-Methane-2D-stereo.svg.png
Skeletal formula
shows each c-c bond as a single line and only shows atoms which are not C or H
Structural isomers meaning
molecules with the same molecular formula but different structural formula
Small alkanes definition
alkanes up to 4 carbons and are a colourless gas
Medium alkanes definition
alkanes from 5-16 carbons and are a colourless liquids
Large alkanes definition
alkanes more than 16 carbons and are a white waxy solid
How do alkanes react with water
they don’t mix so they can never by aqueous
