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CBSE Class 11-science Answered

 What are vicinal dihalides? What happens when vicinal dihalides are treated with zinc metal?
Asked by Topperlearning User | 23 Jul, 2014, 04:04: PM
answered-by-expert Expert Answer

Dihalides in which two halogen atoms are attached to two adjacent carbon atoms are   known as vicinal dihalides. 

Vicinal dihalides on treatment with zinc metal lose a molecule of ZnX2 to form an alkene. This reaction is known as dehalogenation.

CH2Br−CH2Br     + Zn    →  CH2 =CH2   + ZnBr2

 

Answered by | 23 Jul, 2014, 06:04: PM
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