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What is organic chemistry
The study of the structure, properites, compsition, reaction and preparation of carbon-
containing compounds
What is so special about carbon
carbon can form up to 4 bonds with itself and other elements
Naming alkanes
The second part of the name depends on the type of bonding present in the
hydrocarbon
When all of the bonds are single bonds we end the name with ane
Sturctural formula
Condensed structural forumla
Molecular formula
What are alkyl groups
Alkanes can also have branches come off some of the middle carbons. These are
named systematically to provide information about the number, psotion and size of the
branches.
How are alkyl groups named
The prefix indicates the number of carbon atoms in the chain
The suffix yl is used
A number is used to show the location of the side chain (what carbon atom it is on)
If there are mutliple side chains of the same carbon atom then the number is repeated
how to name branched alkanes
Identify the stem name by finding the longest carbon chain
Place the name of each alkyl group before the parent molecule name
If there is more than one alkyl group, list in alphabetical order
If there is more than one of the same tupe, use the prefix di, tri etc
Specify the carbon atom to which each alkyl group is attached by a number before it
Choose the direction of numbering that fits the smallest possible number to each alkyl
group
Do not use spaces in the name
Use hyphens to separate words from numbers
Use commas to separate numbers from other numbers
Alkenes
Hydrocarbons with one or more carbon-carbon double bonds
The prefix is the same as an alkane but it becomes ene
Dienes
compounds with two double bonds
Alkynes