Chemistry 2510 Final Exam Questions
with Solved Solutions 2026 Updated.
-Addition of OH ANTI to added H in alkene
-MORE substituted side - Answer 1. Hg(OAc)2, H2O, THF
2. NaBH4, NaOH, H2O
-Addition of 2H in SYN fashion to alkene
-Top or Bottom face - Answer H2
Pd/C or PtO2
-Addition of Br, Cl, I in ANTI or SYN fashion to alkene
-Cl/Br/I added to MORE substituted side - Answer HBr, HI, HCl
-Addition of OH in ANTI or SYN fashion to alkene
-OH added to MORE substituted side - Answer H2O, H2SO4
-Addition of 2Br or 2Cl to alkene
-ANTI addition: One to MORE substituted side and one to LESS - Answer Br2 or Cl2
CCl4
-Addition of Br or Cl to LESS substituted side
-Addition of OH or OMe to MORE substituted side
-Br/Cl and OH/OMe ANTI to one another - Answer Br2 or Cl2
H2O or MeOH
-Addition of OH and H in SYN fashion in alkene
-OH added to LESS substituted side - Answer 1. BH3, THF
2. H2O2, NaOH, H2O
-Addition of Oxygen Epoxide to alkene
-Top or Bottom Faces - Answer mCPBA
DMF
-Addition of 2OH in SYN fashion on top or bottom face in alkenes
, -One OH to MORE substituted side the other to LESS substituted side - Answer 1. OsO4
2.H2S
-Breaking of double bonds to make Carbonyl (C=O) in alkenes - Answer 1. O3, DCM
2. Me2 or DMS
-Addition of Br or Sr in alkenes
-Br/Sr added to LESS substituted side - Answer HBr
ROOR
-Formation of Alkyne triple bond
-Double Elimination following E2 mechanism - Answer 1. NaNH2 (3 eq. for terminal alkynes)
2. H2O
-Formation of Alkyne triple bond from Alkynyl Anion - Answer 1. CH3Li or CH3MgBr
2.R-X (SN2) or (1. Oxygen Epoxide and Methyl, 2.H2O)
1. uBuLi or >--MgBr
2. CH3Li or (1.Pentagon with double bonded O, 2.H+)
-Addition of 2H in SYN fashion to alkyne triple bond
-Second addition of 2 more H in SYN fashion to alkene double bond
-2H to MORE substituted side, 2H to LESS substituted side - Answer H2
[Pt]
-Addition of 2H in SYN fashion to alkyne triple bond
-Stops at CIS alkene
-One H to MORE substituted side, one H to LESS substituted side - Answer H2
Lindlar's Catalyst
-Addition of 2H in ANTI fashion to alkyne triple bond
-Stops at TRANS alkene
-One H to MORE substituted side, one H to LESS substituted side - Answer 1. Na, NH3
2. H2O
with Solved Solutions 2026 Updated.
-Addition of OH ANTI to added H in alkene
-MORE substituted side - Answer 1. Hg(OAc)2, H2O, THF
2. NaBH4, NaOH, H2O
-Addition of 2H in SYN fashion to alkene
-Top or Bottom face - Answer H2
Pd/C or PtO2
-Addition of Br, Cl, I in ANTI or SYN fashion to alkene
-Cl/Br/I added to MORE substituted side - Answer HBr, HI, HCl
-Addition of OH in ANTI or SYN fashion to alkene
-OH added to MORE substituted side - Answer H2O, H2SO4
-Addition of 2Br or 2Cl to alkene
-ANTI addition: One to MORE substituted side and one to LESS - Answer Br2 or Cl2
CCl4
-Addition of Br or Cl to LESS substituted side
-Addition of OH or OMe to MORE substituted side
-Br/Cl and OH/OMe ANTI to one another - Answer Br2 or Cl2
H2O or MeOH
-Addition of OH and H in SYN fashion in alkene
-OH added to LESS substituted side - Answer 1. BH3, THF
2. H2O2, NaOH, H2O
-Addition of Oxygen Epoxide to alkene
-Top or Bottom Faces - Answer mCPBA
DMF
-Addition of 2OH in SYN fashion on top or bottom face in alkenes
, -One OH to MORE substituted side the other to LESS substituted side - Answer 1. OsO4
2.H2S
-Breaking of double bonds to make Carbonyl (C=O) in alkenes - Answer 1. O3, DCM
2. Me2 or DMS
-Addition of Br or Sr in alkenes
-Br/Sr added to LESS substituted side - Answer HBr
ROOR
-Formation of Alkyne triple bond
-Double Elimination following E2 mechanism - Answer 1. NaNH2 (3 eq. for terminal alkynes)
2. H2O
-Formation of Alkyne triple bond from Alkynyl Anion - Answer 1. CH3Li or CH3MgBr
2.R-X (SN2) or (1. Oxygen Epoxide and Methyl, 2.H2O)
1. uBuLi or >--MgBr
2. CH3Li or (1.Pentagon with double bonded O, 2.H+)
-Addition of 2H in SYN fashion to alkyne triple bond
-Second addition of 2 more H in SYN fashion to alkene double bond
-2H to MORE substituted side, 2H to LESS substituted side - Answer H2
[Pt]
-Addition of 2H in SYN fashion to alkyne triple bond
-Stops at CIS alkene
-One H to MORE substituted side, one H to LESS substituted side - Answer H2
Lindlar's Catalyst
-Addition of 2H in ANTI fashion to alkyne triple bond
-Stops at TRANS alkene
-One H to MORE substituted side, one H to LESS substituted side - Answer 1. Na, NH3
2. H2O
