[{"n": "Isomerization", "u": "/e/reaction-mechanisms-and-kinetics/isomerization/", "s": "Process transforming molecules into isomers with different structures."}, {"n": "Leaving group", "u": "/e/reaction-mechanisms-and-kinetics/leaving-group/", "s": "Fragment that departs with an electron pair in heterolytic cleavage."}, {"n": "Organic reaction", "u": "/e/reaction-mechanisms-and-kinetics/organic-reaction/", "s": "Chemical reactions involving organic compounds for synthesis and production."}, {"n": "Organic synthesis", "u": "/e/reaction-mechanisms-and-kinetics/organic-synthesis/", "s": "Branch of chemical synthesis building organic compounds from simpler precursors."}, {"n": "Pericyclic reaction", "u": "/e/reaction-mechanisms-and-kinetics/pericyclic-reaction/", "s": "Pericyclic reactions are concerted organic reactions with a cyclic transition state, governed by the Woodward–"}, {"n": "Pyrolysis", "u": "/e/reaction-mechanisms-and-kinetics/pyrolysis/", "s": "Thermal decomposition of organic matter without oxygen."}, {"n": "Rate-determining step", "u": "/e/reaction-mechanisms-and-kinetics/rate-determining-step/", "s": "The slowest step that governs overall reaction rate."}, {"n": "Reaction coordinate", "u": "/e/reaction-mechanisms-and-kinetics/reaction-coordinate/", "s": "Abstract coordinate representing progress along a reaction pathway."}, {"n": "Reaction intermediate", "u": "/e/reaction-mechanisms-and-kinetics/reaction-intermediate/", "s": "Molecular entity formed and consumed in a stepwise chemical reaction."}, {"n": "Reaction mechanism", "u": "/e/reaction-mechanisms-and-kinetics/reaction-mechanism/", "s": "Theoretical sequence of steps describing a chemical reaction."}, {"n": "Rearrangement reaction", "u": "/e/reaction-mechanisms-and-kinetics/rearrangement-reaction/", "s": "Organic reactions involving change of connectivity within a molecule."}, {"n": "Redox", "u": "/e/reaction-mechanisms-and-kinetics/redox/", "s": "Chemical reactions where oxidation states change via electron or atom transfer."}, {"n": "Resonance (chemistry)", "u": "/e/reaction-mechanisms-and-kinetics/resonance-chemistry/", "s": "A bonding description using averaged contributing structures."}, {"n": "Retrosynthetic analysis", "u": "/e/reaction-mechanisms-and-kinetics/retrosynthetic-analysis/", "s": "A technique for planning organic syntheses via structural simplification."}, {"n": "Reversible reaction", "u": "/e/reaction-mechanisms-and-kinetics/reversible-reaction/", "s": "A reaction where forward and reverse conversions occur simultaneously."}, {"n": "SN1 reaction", "u": "/e/reaction-mechanisms-and-kinetics/sn1-reaction/", "s": "A substitution reaction with a unimolecular rate-determining step."}, {"n": "SN2 reaction", "u": "/e/reaction-mechanisms-and-kinetics/sn2-reaction/", "s": "Concerted nucleophilic substitution with inversion at carbon."}, {"n": "SNi", "u": "/e/reaction-mechanisms-and-kinetics/sni/", "s": "A nucleophilic substitution mechanism retaining stereochemical configuration."}, {"n": "Transition state", "u": "/e/reaction-mechanisms-and-kinetics/transition-state/", "s": "Highest-energy configuration along a reaction coordinate."}, {"n": "Transition state theory", "u": "/e/reaction-mechanisms-and-kinetics/transition-state-theory/", "s": "Theory explaining reaction rates via activated complexes."}, {"n": "Substitution reaction", "u": "/e/reaction-mechanisms-and-kinetics/substitution-reaction/", "s": "A reaction replacing one functional group with another."}, {"n": "Ring flip", "u": "/e/reaction-mechanisms-and-kinetics/ring-flip/", "s": "Ring flip interconverts cyclic conformers, exchanging axial and equatorial positions."}, {"n": "Rotamer", "u": "/e/reaction-mechanisms-and-kinetics/rotamer/", "s": "Rotamers are conformers differing by single-bond rotation."}, {"n": "Steric effects", "u": "/e/reaction-mechanisms-and-kinetics/steric-effects/", "s": "Spatial arrangement of atoms affects molecular energy and reactivity."}, {"n": "Strain (chemistry)", "u": "/e/reaction-mechanisms-and-kinetics/strain-chemistry/", "s": "Molecular strain raises internal energy above a strain-free reference."}, {"n": "Stereocenter", "u": "/e/reaction-mechanisms-and-kinetics/stereocenter/", "s": "The point in a molecule where swapping groups creates a new stereoisomer."}, {"n": "Stereochemistry", "u": "/e/reaction-mechanisms-and-kinetics/stereochemistry/", "s": "The study of spatial arrangements of atoms in molecules and their manipulation."}, {"n": "Stereoisomerism", "u": "/e/reaction-mechanisms-and-kinetics/stereoisomerism/", "s": "Stereoisomerism describes molecules with same bonds but different spatial arrangements."}, {"n": "Valence bond theory", "u": "/e/reaction-mechanisms-and-kinetics/valence-bond-theory/", "s": "One of two basic quantum theories of chemical bonding."}, {"n": "VSEPR theory", "u": "/e/reaction-mechanisms-and-kinetics/vsepr-theory/", "s": "Model predicting molecular geometry from electron pair repulsion."}, {"n": "Sigma bond", "u": "/e/reaction-mechanisms-and-kinetics/sigma-bond/", "s": "Strongest covalent bond formed by direct orbital overlap."}, {"n": "Tetrahedral molecular geometry", "u": "/e/reaction-mechanisms-and-kinetics/tetrahedral-molecular-geometry/", "s": "Four substituents at tetrahedron corners around a central atom."}, {"n": "Trigonal planar molecular geometry", "u": "/e/reaction-mechanisms-and-kinetics/trigonal-planar-molecular-geometry/", "s": "Trigonal planar is a molecular geometry model in chemistry where one central atom is bonded to three periphera"}, {"n": "Trigonal pyramidal molecular geometry", "u": "/e/reaction-mechanisms-and-kinetics/trigonal-pyramidal-molecular-geometry/", "s": "A molecular geometry with one apex atom and three base atoms."}]