FO $22$: Identify and draw $E-Z$ isomers.

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$2$

$3$

$4$

$($a$)$ List any two structures that are related as

$E-Z$ isomers. Answer by listing two numbers.

$($b$)$ Draw any geometric isomer of this compound.

$($E$)-$pent$-3-$en$-1-$ol

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$2$

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$4$