Question

How to prepare ethyne from 1,2-dibromoethane

Answer 1

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Answer 2

Preparation of ethyne from 1,2-dibromoethane

1. Heat 1,2-dibromoethane in the presence of alcoholic potassium hydroxide as a catalyst.

2. This process yields product such as 1-Bromoethane, Potassium bromide, and water.

3. When 1-Bromoethane is treated with another compound called sodamide with chemical formula ($NaNH_2$) due to occurrence of de-hydrogenation and de-halogenation, it leads to the formation of ethyne.

4. Thus the product ethyne is obtained from 1,2-dibromoethane through a process such as de-hydrogenation and de-halogenation.

5. The chemical equation involved in the preparation of ethyne from 1,2-dibromoethane is given in the attachment.

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