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The following reaction can be carried out using the reagent

Option: 1

H_2SO_4


Option: 2

Alkaline KMnO_4


Option: 3

Na|liquid\: NH_3


Option: 4

Zn/Ethanol+Heat


Answers (1)

best_answer

As we learnt

Vicinal dihalide on treatment with Zn metal loses a molecule of ZnCl2 to form alkene this reaction is known as Dehalogenation.

 

 \mathrm{Zn/Ethanol+Heat}  is the proper reagent for the given conversion.

Therefore, option (4) is correct.

 

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