Question 36 Which of the following is an effective way to prepare 1-pentyne? a) 1. Cl 1-Pentene 2. NaNH, heat b) 1. NANH, Acetylene 2. CH,CH,CH,Br

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36 and 37 only please

Question 36
Which of the following is an effective way to prepare 1-pentyne?
a)
1. Cl,
1-Pentene
2. NaNH,, heat
b)
1. NaNH,
Acetylene
2. CH,CH,CH,Br
c)
1. NANH,, NH,
1,1-Dichloropentane
2. H,0
d) All of these are effective
18
e) None of these are effective
Question 37
Upon hydration of 2-heptyne in the presence of HgSO, and H2SO4, the two
carbons of the triple bond are similarly but not identically substituted resulting in
two regioisomeric enols, each of which gives a different ketone. Supply the
names of the two enols formed.
a) 2-heptanone and 3-heptanone
b) 2-heptano and 3-heptanol
c) 2-hepten-2-ol and hept-2-en-3-ol
d) 3-hepten-3-ol and hept-3-en-4-ol
e) 2-hepten-1-ol and 2-hepten-4-ol
Transcribed Image Text:Question 36 Which of the following is an effective way to prepare 1-pentyne? a) 1. Cl, 1-Pentene 2. NaNH,, heat b) 1. NaNH, Acetylene 2. CH,CH,CH,Br c) 1. NANH,, NH, 1,1-Dichloropentane 2. H,0 d) All of these are effective 18 e) None of these are effective Question 37 Upon hydration of 2-heptyne in the presence of HgSO, and H2SO4, the two carbons of the triple bond are similarly but not identically substituted resulting in two regioisomeric enols, each of which gives a different ketone. Supply the names of the two enols formed. a) 2-heptanone and 3-heptanone b) 2-heptano and 3-heptanol c) 2-hepten-2-ol and hept-2-en-3-ol d) 3-hepten-3-ol and hept-3-en-4-ol e) 2-hepten-1-ol and 2-hepten-4-ol
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