Isomer and Naming According to IUPAC (3)

Chemistry

Not quite remember

I easily remember

The isomers of alkanes

Are formed by chain isomers only

Isomers of alkenes, alkynes and alcohol

Are formed from chain isomers and position isomers

Steps in drawing isomers for alkanes

To draw isomers for alkanes, start by connecting the carbon atoms in a straight chain followed by a branched chain

Steps in drawing isomers for alkene and alkyne (1)

Start with a straight chain formula and change the position of the double bond or triple bond to a different carbon position

Steps in drawing isomers for alkene and alkyne (2)

Next, draw a structural formula with a branched chain from each straight chain that has different positions of double or triple bonds

Parts in the naming of isomers (1)

The prefix indicates the branch group, which is the alkyl group, with the general formula CnH2n+1 that is attached to the longest carbon chain

Parts in the naming of isomers (2)

The root name shows the number of carbon atoms in the longest carbon chai

Parts in the naming of isomers (3)

The suffix shows the homologous series

Molecular formula and structural formula of alkyl group which is methyl

Molecular formula and structural formula of alkyl group which is ethyl

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