exam 4 chem 221 rowland questions and verified answers graded a+

exam 4 chem 221 rowland questions
and verified answers graded a+

naming alkynes - Correct Answers Parent chain is longest with triple bod, Triple Bonds- add "yne"



phenyl - Correct AnswersC6H5



internal alkyne - Correct Answers a carbon-carbon triple bond in the middle of a carbon chain



terminal alkyne - Correct Answers Carbon carbon triple bond is at end of carbon chain



alkynide ion with a _______ can act as a nucleophile in an SN2 reaction - Correct Answers strong base
such as NaNH2, NaH, BuLi



H2, Lindlar - Correct Answers alkyne to Z (cis, syn) alkene



NaNH3 (l) - Correct Answers alkyne to E (trans, anti) alkene



a terminal alkyne to an alkene needs...? - Correct Answers Either H2 Lindlar or NaNH3(l)



NaNH2 reacts with geminal dihalide (2 X same carbon) - Correct Answers will make an alkyne



NaNH2 reacts with vicinal dihalide (2 X one away) (more common) - Correct Answers will make an
alkyne



terminal alkyne reacts with H-X - Correct Answers double bond and X to more substituted side



terminal alkyne reacts with xs HCl - Correct Answers2 Cl on same carbon (more sub)