G-H G Gabriel Synthesis Gauche Conformation Gem Diol Geminal Hydrogens Geometric Isomers Gilman Reagent Glycol Glycoside Glycosidic Bond Glycosidic Link Glycosidic Linkage Glycosyl Group Grignard Reagent Ground-State Atom H 1,2-Hydride Shift Haloalkane Haloalkene Haloalkyne Haloarene Haloform Haloform Reaction Halogenation Halohydrin Halonium Ion Hammond’s Postulate Haworth Formula Head-to-Head Link Head-to-Tail Link Heat of Hydrogenation Hemiacetal Hemiacetal Carbon Hemiacetal Group Hemiaminal Hemiaminal Group Hemiketal Hemiketal Carbon Hemiketal Group Henderson-Hasselbach Equation Heteroaromatic Compound Heteroatom Heterocycle Heterocyclic Amine Heterolysis Heterolytic Bond Cleavage Hexose High-Resolution Mass Spectrum Hofmann Degradation Hofmann Elimination Hofmann Rearrangement Hofmann Rule Homolysis Homolytic Bond Cleavage Homolytic Bond Dissociation Energy Homotopic Hook’s Law Host-Guest Complex Hückel’s Rule Hybrid Hybridization Hybridized Orbitals Hydration Hydrazone Hydride Equivalent Hydride Reagent Hydroboration Hydroboration-Oxidation Hydrocarbon Hydrohalogenation Hydrolysis Hydroperoxide Hydroperoxide Group Hydroxoacid Hydroxy Group Hydroxylation Hyperconjugation