Question

HOW TO CONVERT ETHENE TO ETHYNE???

Answer 1

CH2=CH2+Br2→Br-CH2-CH2-Br+KOH(Heat)→Br-CH=CH2+NaNH2(NH3(l)→CH triple bond CH or it can be done in easier without the KOH
CH2=CH2+Br2→Br-CH2-CH2-B2+NaNH2(NH3(l)→CH triple bond CH

Answer 2

Step to convert ethene to Ethyne

1. Ethane is characterized by the chemical formula $C_2H_4$.
2. It is made to react with $Br_2$ in the presence of $CCl_4$ as catalyst.
3. The 2 atoms of Br attaches to the ethane and forms Dibromoethane.
4. It is then heated in the presence of alcoholic KOH.
5. This process yields ethyne as the end product.
6. The reaction involved in the conversion of ethene to ethyne is given in the attachment.

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