CHEM 232 EXAM 4 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026

CHEM 232 EXAM 4 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026 What reagent converts alkene to alkyl halide? - Answers HBr or HCl What reagents convert alkene to Markovnikov alcohol with possible rearrangement? - Answers H₂SO₄, H₂O What reagents convert alkene to Markovnikov alcohol without rearrangement? - Answers 1. Hg(OAc)₂, H₂O 2. NaBH₄, NaOH What reagents convert alkene to anti-Markovnikov alcohol? - Answers 1. BH₃ 2. H₂O₂, NaOH What reagents convert alkene to vicinal dihalide? - Answers Br₂ or Cl₂ What reagents convert alkene to halohydrin? - Answers Br₂, H₂O What reagents convert alkene to bromoether? - Answers Br₂, ROH What reagent converts alkene to epoxide? - Answers mCPBA What reagents convert alkene to syn diol? - Answers OsO₄, NMO What reagents convert alkene to anti diol? - Answers 1. mCPBA 2. H₃O⁺ What reagents convert alkene to alkane? - Answers H₂, Pd/C or Pt What reagents convert alkene to carbonyl fragments? - Answers 1. O₃ 2. DMS or Zn What reagents convert alkene to carboxylic acid/ketone fragments? - Answers 1. O₃ 2. H₂O₂ What reagents convert alcohol to alkene? - Answers H₂SO₄, heat What reagents convert alcohol to alkyl bromide? - Answers PBr₃ or HBr What reagents convert alcohol to alkyl chloride? - Answers SOCl₂, pyridine What reagents convert 1° alcohol to aldehyde? - Answers PCC or CrO₃, HCl, pyridine What reagent converts 1° alcohol to carboxylic acid? - Answers Jones reagent What reagents convert 2° alcohol to ketone? - Answers PCC or Jones What reagent converts alcohol to alkoxide? - Answers NaH What is the Williamson ether synthesis? - Answers Alkoxide + primary alkyl halide → ether What reagents convert aldehyde to 1° alcohol? - Answers NaBH₄ or LiAlH₄ What reagents convert ketone to 2° alcohol? - Answers NaBH₄ or LiAlH₄ What reagents convert carboxylic acid or ester to alcohol? - Answers LiAlH₄ What reagents convert aldehyde + organometallic to 2° alcohol? - Answers RLi or RMgBr, then workup What reagents convert ketone + organometallic to 3° alcohol? - Answers RLi or RMgBr, then workup What reagents convert formaldehyde + organometallic to 1° alcohol? - Answers RLi or RMgBr, then workup What big synthesis idea is associated with carbonyl + organometallic? - Answers New C-C bond forms What reagent converts aldehyde to carboxylic acid? - Answers Tollens reagent What reagents convert ketone to CH₂? - Answers Zn(Hg), HCl, heat What reagent converts terminal alkyne to acetylide? - Answers NaNH₂ What is the reaction of acetylide + primary alkyl halide? - Answers SN2 C-C bond formation What is the reaction of acetylide + aldehyde/ketone? - Answers New C-C bond forms What reagents convert dihalide to alkyne? - Answers Excess NaNH₂ What reagents convert alkyne to cis alkene? - Answers H₂, Lindlar catalyst What reagents convert alkyne to trans alkene? - Answers Na, NH₃ What reagents convert alkyne to alkane? - Answers H₂, Pd/C or Pt What reagents convert terminal alkyne to methyl ketone? - Answers HgSO₄, H₂SO₄, H₂O What reagents convert terminal alkyne to aldehyde? - Answers 1. bulky borane 2. H₂O₂, NaOH What happens during alkyne hydration? - Answers Enol tautomerizes to carbonyl What is the reaction of benzene + RCl, AlCl₃? - Answers Friedel-Crafts alkylation What is the reaction of benzene + RCOCl, AlCl₃? - Answers Friedel-Crafts acylation What reagents convert acyl benzene to alkyl benzene? - Answers Zn(Hg), HCl, heat What reagents convert benzene to bromobenzene? - Answers Br₂, FeBr₃ What reagents convert benzene to chlorobenzene? - Answers Cl₂, FeCl₃ What reagents convert benzene to nitrobenzene? - Answers HNO₃, H₂SO₄ What reagents convert benzene to cyclohexane? - Answers H₂, Ni, heat What reagents indicate a carbocation intermediate? - Answers HBr/HCl, H₂SO₄/H₂O, dehydration of alcohols What reagents indicate a 3-membered ring intermediate? - Answers Br₂, Cl₂, halohydrin formation, epoxidation-related steps