Which of the following reactions will produce the 2-pentyne in good yi

1.	Which of the following reactions will produce the 2-pentyne in good yield? CH_(3)-CH_(2)-C-=C-CH_(3)
Answer» `CH_(3)-C-=CN AOVERSET(CH_(3)CH_(2)Br)to` `CH_(3)-CH_(2)-overset(O)overset(\|\|)(C)-Hunderset(Et_(2)O)overset(CH_(3)CH_(2)MgBr)tooverset(H_(3)O^(+))to` `CH_(3)-CH_(2)-CH_(2)-underset(Br)underset(\|)(C)H-CH_(2)-Brunderset("heat")overset(NAOH)to` Answer :B

Discussion