B.Alkylation of terminal alkynes (SN2 substitution) NaNH2 H一C≡C一H 8⑧1°RX,H-C=C-R H-C≡CNa only good Nu, NaNH2 strong B R-C≡CNa C-C bond-forming reaction RX R-C三C-R Question.Starting with acetylene and any necessary alkyl halides,show how to prepare 2-hexyne. Check AnswerCollege B. Alkylation of terminal alkynes of Science (SN2 substitution) H C C H H C CNa H C C R NaNH2 1º RX only good Nu, strong B NaNH2 RCCNa R'X RCCR' C–C bond-forming reaction Question. Starting with acetylene and any necessary alkyl halides, show how to prepare 2-hexyne. Check Answer