CHEM 334 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+
HBr/peroxides Ans✓✓✓add Br to least substituted Carbon (B carbon)
1)Br2
2) 2 or 3 equivalents NaNH2/ NH3 (l) Ans✓✓✓makes a triple bond
from a double bond
Br2/ H20
Cl2/ H20 Ans✓✓✓OH adds to more substituted carbon and BR/Cl adds
to less substituted Carbon (anti)
Br2/ alcohol Ans✓✓✓adds a Br and an ether to an alkene
1) BH3
2)NaOH/ H2O2 Ans✓✓✓triple bonds form into ketones
H2/Ni2B Ans✓✓✓turns triple bonds into double bond cis alkene
H2/Pd/ CaCO3 Ans✓✓✓turns triple bonds into double bond cis alkenes
Na degree/ NH3 (l) Ans✓✓✓turns triple bonds into double bonds
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+
HBr/peroxides Ans✓✓✓add Br to least substituted Carbon (B carbon)
1)Br2
2) 2 or 3 equivalents NaNH2/ NH3 (l) Ans✓✓✓makes a triple bond
from a double bond
Br2/ H20
Cl2/ H20 Ans✓✓✓OH adds to more substituted carbon and BR/Cl adds
to less substituted Carbon (anti)
Br2/ alcohol Ans✓✓✓adds a Br and an ether to an alkene
1) BH3
2)NaOH/ H2O2 Ans✓✓✓triple bonds form into ketones
H2/Ni2B Ans✓✓✓turns triple bonds into double bond cis alkene
H2/Pd/ CaCO3 Ans✓✓✓turns triple bonds into double bond cis alkenes
Na degree/ NH3 (l) Ans✓✓✓turns triple bonds into double bonds
