How will you bring out the following conversions ?Ethene to ethyne

1.	How will you bring out the following conversions ?Ethene to ethyne
Answer» SOLUTION :`CH_2 =CH_2 underset("CCl"_4)overset(Br_2)(to) oversetunderset(\|)(Br)(C)H_2 - oversetunderset(\|)(Br)(C)H_2 underset(-2HBr)overset(ALC. KOH)(to) CH -=CH`

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