Question

transformation of Ethane to ethylene​

Answer 1

◾Ethane can be reacted with Br2 gas in presence of NBS(N-Bromosuccinamide) which would yield molecules of Bromoethane.

◾The above yielded Bromoethane can be reacted with aqueous alkali hydroxide (KOH / NaOH).

Hope it's helps you ✌✌✌♥️