1.

1,3-Butadiene when treated with Br_(2) gives

Answer»

1,4-dibromo-2-butene<BR>1,3-bibromo-2-butene
3,4-dibromo-1-butene
2,3-dibromo-2-butene

Solution :The intermediate `2^(TH)` CARBOCATION shows resonance
`CH_(2)=CH-CH=CH_(2) overset(Br^(+))to [CH_(2)Br-overset(+)CH-CH=CH_(2)]`
`harr CH_(2)Br-CH=CH-overset(+)(CH_(2))]`
`overset(Br^(+))to underset(1,4-"dibromo-2-butene")(CH_(2)Br-CH=CH-CH_(2)Br)`


Discussion

No Comment Found

Related InterviewSolutions