Give `IUPAC` name to each to the following using `E` or `Z` designations.
`a.`
`b.`
`c.`

Explanation

`a.`
Two higher priority groups on opposite sides. `1E`, `1-`Bromo`-2,3-`dimethl pent`-2-`ene
`b.`
Priority of `(-Br)gt(-CH_(2)oh)` and `[(CH_(3))_(2)CH-] gt (-C_(3)H_(7))`, two higher priority groups on the same side. `2Z,2-` Bromo`-3-(1-`methyl ethyl `)` hex `-2-`en`-1-ol`
`c.`
Priority of `(HC-= C-)gt((CH_(3))_(3)C-)gt(CH_(2)=CH-)gt[(CH_(3))_(2)CH-]`.Two higher priority groups on the same side.
3Z,3-(1-Methyl ethyl)-4-(1,1-dimethyl ethyl)-hexa`-1,3-`dien`-5-` yne