Question

How can I prepare ethane and ethene from bromoethane

Answer 1

C2H5Br+ 2[H]-----> C2H6 (ethane) + HBr...
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C2H5Br + KOH(alcoholic)(hot and conc...) ----->C2H4 (ethene)+ KBr + H2O(water)..
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Cheers!!!!

Answer 2

Answer:

It is usually prepared by the addition of HBr to ethene: H2C=CH2 + HBr → H3C-CH2Br. Bromoethane is inexpensive and would rarely be prepared in the laboratory. A laboratory synthesis includes reacting ethanol with a mixture of hydrobromic and sulfuric acids.