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Question

The addition of Br2 to trans 2-butene produces:

A
(+) 2,3-dibromo butane
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B
(-) 2,3-dibromo butane
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C
racemic - 2,3-dibromo butane
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D
meso - 2,3-dibromo butane
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Solution

The correct option is B meso - 2,3-dibromo butane

Addition of Br2 to alkene is an anti-addition reaction.

So, the addition of Br2 to trans 2-butene will produce meso - 2,3-dibromobutane.

Option D is correct.

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