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Chlorination

An alkyl hali...

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An alkyl halide of formula $C_{6} H_{13} B r$ on treatment with potassium t-butoxide gives two isomeric alkenes $(C_{6} H_{12})$ . Both alkenes on hydrogenation give 2.3- dimethyl butane. Isomeric alkenes are:

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Solution

An alkyl halide of formula $C_{6} H_{13} B r$ on treatment with potassium t-butoxide gives two isomerism alkenes $(C_{6} H_{12})$ . Both alkenes on hydrogenation give 2,3-dimethyl butane.
It is an elimination reaction $(E_{2})$ .
$(E_{2})$ elimination is concerted one- step reaction.
It is $β -$ dehydrogenation reaction.
The two isomeric alkenes formed are

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