Chemistry - Nomenclature Question with Solution | TestHub

$7\text{-Ethyl-}2,4,5,6\text{-tetramethyldeca-}1,8\text{-diene}$

$4\text{-Ethyl-}5,6,7,9\text{-tetramethyldeca-}2,9\text{-diene}$

$2,4,5,6\text{-tetramethyl-}7\text{-ethyldeca-}1,7\text{-diene}$

None of these