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In the reaction . The number of isomers ...

In the reaction . The number of isomers of A is:

A

2

B

3

C

5

D

6

Text Solution

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The correct Answer is:
B

The addition of `Br_2` to trans-buten'e produces one compound ie, meso.-2,3-dibromobutane. , Trie addition of `Br_2` to cis-butene produces two compounds (racernic mixture of 2,3-dibromobutane) The additon of `Br_2` to but- 1-ene produces two compounds (racernic mixture of 1,2-dibromobutane)
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