Doubt by Lodariya Janvi

sir Q3 from from video lectures of Addition rxn .....i,e I phenyl propyne is reacted wd NH3 in presence of Na givex compound X......in dis question sir simply said itx trans addition .How? xplain plz sir

 

Answers

Answer by nitesh chaudhary

Na acts as an reducing agent , here hydrogen is added to the triple bond and reducing it and since the product formed is trans , it is called trans addition