Question

Which reagents convert 1,2 dibromo ethane to ethane?

Answer 1

First treat 1,2-dibromo ethane with alc. KOH followed by reaction with NaNH2

1,2-dibromoethane ( CH2Br-CH2Br) + alc. KOH ------> CH2=CHBr
CH2=CHBr + NaNH2----------> ethyne
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