Ethene is prepared from chloroethane this is an example of a reaction __________(a) from alkynes(b) removal of vicinal dihalides(c) acidic dehydrogenation(d) dehydrohalogenationI got this question during an internship interview.This intriguing question comes from Hydrocarbons topic in section Hydrocarbons of Chemistry – Class 11

Ethene is prepared from chloroethane this is an example of a reaction

1.	Ethene is prepared from chloroethane this is an example of a reaction __________(a) from alkynes(b) removal of vicinal dihalides(c) acidic dehydrogenation(d) dehydrohalogenationI got this question during an internship interview.This intriguing question comes from Hydrocarbons topic in section Hydrocarbons of Chemistry – Class 11
Answer» The correct option is (d) dehydrohalogenation The best I can explain: When chloroethane is heated in the presence of ALCOHOLIC potassium Hydroxide, a beta-elimination product is FORMED, that is ethane, hydrogen, and CHLORINE are REMOVED which is dehydrohalogenation (the HALOGEN can be either chlorine or bromine or iodine).

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