Functional Groups 1

Question 1

Alkene + _______ = Haloalkane

Answer 1

HZ + Ether

Electrophilic HZ Addition

Question 2

Alkene + ______ = Alkane

Answer 2

H2 + Pt catalyst

A2 Addition

Question 3

Terminal Alkyne + ________ = ________.

________ + ________ = Alkyne

Answer 3

Na+NH2- / NaH
Alkynide anion
Haloalkane
Elimination

Question 4

Alkyne + ______ = (E) Alkene

Answer 4

Li + liq. NH3 + H2O

Addition (Hydrogenation)

Question 5

Alkyne + _____ = (Z) Alkene

Answer 5

Lindar catalyst / H2
Lindar = PdPb(OAC2)
Addition (Hydrogenation)

Question 6

Alkyne + _______ = 1-X Alkene

1-X Alkene + _________ = Dihaloalkane

Answer 6

1eq. HX

Electrophilic addition HX
Anti

Question 7

Alkyne + X2 = ____ + X2 = _____

Answer 7

Electrophilic addition X2

Anti

Question 8

Alkyne + ______ = Ketone (except ethyne)

Answer 8

aq. H2SO4 / HgSO4
1eq. H2O
Addition (Hydration)

Question 9

Benzene + ______ = 1,2-dibromobenzene

Answer 9

Br2
Electrophilic Aromatic Substitution
Trans

Question 10

Benzene + _______ = E-benzene + ______.

Answer 10

E+
H+
Electrophilic Aromatic Substitution
Trans

Question 11

Equation for generating a Cl+ electrophile

Answer 11

Cl2 + FeCl3 = (eq) Cl+ + FeCl4-

Halogenation

Question 12

Equation for generation of NO2+ electrophile

Answer 12

HNO3 + H2SO4 = (eq) NO2+ + H2SO4- + H2O
Nitro group is resonant stabilized.
Nitration