Question

Debromination of d-2, 3-dibromobutane gives:
(1) Trans-2-butene (2) Cis-2-butene
(3) 1-butene (4) 2-butyne​

Answer 1

Debromination of d-2, 3-dibromobutane gives:

(1) Trans-2-butene (2) Cis-2-butene

(3) 1-butene (4) 2-butyne

option (2) Cis -2- butene is correct