How can I draw the molecular formula for an unsaturated alkyl chloride $C_5H_9Cl$ for optical activity or E,Z isomerism?

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Answer 1 · 2015-07-26T01:05:48

The only possible compound is 4-chloropent-2-ene.

For the molecule to exhibit $E,Z$ isomerism, the $"C=C"$ bond must be between $"C-2"$ and $"C-3"$ .

Then the only prochiral carbon is $"C-4"$ .

The compound must be 4-chloropent-2-ene.

4-chloropent-2-ene

The structure above shows ( $2E,4S$ )- 4-chloropent-2-ene.

How can I draw the molecular formula for an unsaturated alkyl chloride C_5H_9ClC_5H_9Cl for optical activity or E,Z isomerism?