Which of the following alkyl halides gives on | vedclass

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(D) In an $E_2$ reaction,a base removes a $\beta$-hydrogen atom anti-periplanar to the leaving group $(-Cl)$.$A$: $1$-chloro-$1$-methylcyclohexane has

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$1-$chloro$-4-$methylcyclohexane

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(D) In an $E_2$ reaction,a base removes a $\beta$-hydrogen atom anti-periplanar to the leaving group $(-Cl)$.$A$: $1$-chloro-$1$-methylcyclohexane has two types of $\beta$-hydrogens,leading to two different alkenes (exocyclic and endocyclic).$B$: $1$-chloro-$2$-methylcyclohexane has multiple $\beta$-hydrogens,leading to a mixture of isomers.$C$: $1$-chloro-$3$-methylcyclohexane also yields a mixture of isomers due to different $\beta$-hydrogens.$D$: $1$-chloro-$4$-methylcyclohexane is symmetric. The $\beta$-hydrogens at the $C_3$ and $C_5$ positions are equivalent,and the $\beta$-hydrogens at the $C_2$ and $C_6$ positions are equivalent. However,due to the symmetry of the molecule,elimination leads to a single product: $4$-methylcyclohexene.

Which of the following alkyl halides gives only one product (excluding stereoisomers) when undergoing an $E_2$ reaction? $(E_2 = \text{elimination bimolecular})$

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