Swapnil SaxenaApproved Tutor Answer14 Years agoThe reduction of alkenes having terminal double bonds to alkanes with the help of Sodium in liquid ammonia is called Birch reduction.
rittik sharmaApproved Tutor Answer14 Years agoreagents for birch reduction are Na/NH3 or Li/NH3 . anti addition takes place and it reduces alkene to alkyne (trans).