Meso-dibromobutane on debromination gives:

Trans-2-butene

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Cis-2-butene

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1-butene

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1-butyne

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Solution

The correct option is B Trans-2-butene
Elimination can occur via a confrontation of the starting compound which places the two bromine atoms in an anti-periplanar arrangement

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Similar questions

Assertion : Addition of bromine to trans-2-butene yields meso-2, 3-dibromobutane

Reason : Bromine addition to an alkene is an electrophilic addition.

Z n

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