Electrophilic addition Study guides, Class notes & Summaries

CHEM 335 Final Exam Questions and Answers | 100% Verified Answers| Updated 2024/2025. Write complete names for the following: a) (S,S)-3,5-dihydroxycyclohexanone b) (E)-5-methyl-4-oxo-5-heptenal c) 4-methoxy-2-nitrobenzaldehyde d) 1-methyl-3-methylthio-2,4,6-cycloheptatrienol e) CHEM 335 Final Exam Questions and Answers | Verified Answers| Updated 2024/2025 2/11 pentamethylcyclopentadienyl anion 2. (15 points) Write accurate structures for the following: a) a chiral allene b) 18...

best to prepare m-choroaniline from benzene? HNO2/H2SO4; Cl2/AlCl3; SN/HCl; HO- best to prepare p-chlorotoluene in high yield? start with p-aminotoluene; NaNO2/HCl, 0C; CuCl best to prepare m-dibromobenzene from benzene? nitrate; brominate; Sn/HCl; NaNO2; 0 C; CuBr electrophilic aromatic substitution Nitro ? N Group, Nitrogen M-director, destabilized META, less than ortho, para electrophilic aromatic substitution -NHCOCH3 ? Activator, o-p director reaction with Bromine substituent ? Br...

Carboxylic acid derivatives undergo _______ reactions A. nucleophilic substitution B. nucleophilic acyl substitution C. electrophilic acyl substritution D. addition correct answers B The acyl group is A. C=O B. HC=O C. RC=O correct answers C Which of the following compounds would be most reactive? A. ethyl acetate B. propanamide C. benzoyl chloride D. phenyl anhydride correct answers C Which of the following compounds would have the most stabilized carbonyl group? ...

Cumulated Diene correct answers double bonds are adjacent Conjugated Diene correct answers double bonds separated by 1 single bond Isolated Diene correct answers double bonds separated by more than 1 single bond Heteroatoms correct answers may be involved in conjugated dienes atom that isn't a carbon atom Diene Formation correct answers elimination using a strong, bulky base t-BuOK Single Bonds in Conjugated Diene correct answers shorter than typical will freely rotate allows...

In nucleophilic substitution reactions with alkyl halides the leaving group is? A) A hydroxide group. B) A halide anion. C) A halide cation. D) A carbon atom. E) An ester. - CORRECT ANSWER-B) A halide anion. Rank the following ions in terms of their leaving group reactivity. Br-, Cl-, I-, F-. A) Br- > Cl- > F- > I-. B) I- > Br- > Cl- > F-. C) Cl- > Br- > F- > I-. D) F- > Cl- > Br- > I-. E) F- > Cl- > Br- > I-. - CORRECT ANSWER-B) I- > Br...

CHEM 210 Reactions Test Questions and Answers All Correct Describe the mechanism for the electrophilic addition of a strong acid. - Answer-Step 1) An alkene grabs a hydrogen off of a strong acid, forming a carbocation intermediate. Step 2) The conjugate base of the acid (an anion now) bonds to the open shell carbocation What is the regioselectivity of electrophilic addition reactions? - Answer-Markovnikov What is Markovnikov regioselectivity? - Answer-States that the major product is det...

Write complete names for the following: a) (S,S)-3,5-dihydroxycyclohexanone b) (E)-5-methyl-4-oxo-5-heptenal c) 4-methoxy-2-nitrobenzaldehyde d) 1-methyl-3-methylthio-2,4,6-cycloheptatrienol e) CHEM 335 Final Exam Questions and Answers | Verified Answers| Updated 2024/2025 2/11 pentamethylcyclopentadienyl anion 2. (15 points) Write accurate structures for the following: a) a chiral allene b) 18-crown-6 c) the HOMO of 1,3,5-hexatriene d) benzyl isobutyl disulfide e) the hydrat...

OCR CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS   Haloalkane to nitrile - ANSWER-nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - ANSWER-Nucleophilic substitution Excess ethanolic NH3 with no further substitution HEAT under PRESSURE acyl chloride/acid anhydride to SECONDARY amide - ANSWER-Nucleophilic substitution primary amine Acyl chloride/acid anhydride to PRIMARY amide - ANSWER-Nu...

OCR CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS   Haloalkane to nitrile - ANSWER-nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - ANSWER-Nucleophilic substitution Excess ethanolic NH3 with no further substitution HEAT under PRESSURE acyl chloride/acid anhydride to SECONDARY amide - ANSWER-Nucleophilic substitution primary amine Acyl chloride/acid anhydride to PRIMARY amide - ANSWER-Nu...

Basicity rules correct answers -strong base: unstable/reactive (ED groups) -weak base: stable (EW groups/more EN/bigger) Chair conformation correct answers -more stable equitorial (slanted) -pointing up/pointing down=cis if both up -elimination: trans and diaxial Newman projection correct answers -gauche: substituent groups adjacent to eachother -grab middle and turn to put in plane Enantiomers correct answers -not superimposable mirror images -same besides stereochemistry Diast...