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Mesodibromobutane on debromination gives...

Mesodibromobutane on debromination gives

A

Trans-2-butene

B

Cis-2-butene

C

1-butene

D

1-butyne

Text Solution

Verified by Experts

The correct Answer is:
A
Rotating meso–2,3–dibromobutane into a conformation where the bromine atoms are anti and coplanar we find the product will be trans–2–butene.

A similar conformation of either enantiomers of the (pm) diastereomer shows that the product will be cis – 2 – butene.
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