# How can I draw all possible stereoisomers for 2-bromo-4-chlorohexane?

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Aug 27, 2015

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Identify the chiral centres and then draw all the possibilities.

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**Step 1.** Draw the bond-line structure for 2-bromo-4-chlorohexane.

**Step 2.** Identify the chiral centres.

The chiral centres are

**Step 3.** Calculate the number of possible stereoisomers.

The maximum number of stereoisomers is

Here,

**Step 4.** Draw the stereoisomers.

If we indicate the stereochemistry of the bonds to the heteroatoms by wedges and dashes, the structures are

**Step 5.** Check for *meso* isomers.

There is no internal plane of symmetry, so there are no *meso* isomers.

The above structures are all unique stereoisomers.

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