How GOC Connects to All Other Organic Chemistry Topics

GOC → Alkanes/Alkenes/Alkynes:

• Hybridization (sp3, sp2, sp) explains all physical properties and reactivity
• Hyperconjugation explains alkene stability → Zaitsev's rule in E2 elimination
• Carbocation stability explains Markovnikov's rule in electrophilic addition

GOC → Haloalkanes:

• Heterolytic fission of C-X bond → carbocations (SN1) and carbanions via base attack (SN2)
• Inductive effect of halogens (-I) affects rate of SN1/SN2 reactions
• Carbocation stability determines SN1 vs. SN2 preference

GOC → Alcohols, Phenols, Ethers:

• -OH group: -I effect increases alcohol acidity beyond water; +M effect makes phenol more acidic than aliphatic alcohols
• Lucas reagent $\frac{ZnCl2}{HCl}$ reacts faster with 3° alcohols — explained by 3° carbocation stability (SN1)
• Resonance stabilization of phenoxide ion vs. alkoxide ion

GOC → Carbonyl Compounds (Aldehydes, Ketones, Acids):

• sp2 hybridization of carbonyl carbon → electrophilic carbonyl → nucleophilic addition
• -I and -M effects of -COOH → strong acid character
• Alpha-H acidity in aldehydes/ketones → aldol condensation (sp3 alpha-C H bonds)

GOC → Aromatic Chemistry:

• +M/-M groups → ortho/para vs. meta directors
• Resonance energy of benzene (from GOC resonance concepts)
• Nucleophilic aromatic substitution requires -M groups at ortho/para

GOC → Amines:

• -NH2 as +M and -I → aniline less basic than alkylamines
• Electronic effects predict basicity order of amine series