4: Reagents and Reaction Mechanisms Last updated Aug 10, 2022 Save as PDF 3.6: Sterics and Conformation 4.1: Polar Reactions Page ID401802 Layne MorschUniversity of Illinois Springfield ( \newcommand{\kernel}{\mathrm{null}\,}\) 4.1: Polar Reactions4.1.1: Substitution Mechanisms4.1.2: Elimination Mechanisms4.2: Radical Reactions4.3: Reactive Species4.3.1: Carbocation Structure and Stability4.3.2: Carbanions II4.3.3: Carbenes4.3.4: Free Radicals4.3.5: Nucleophiles4.3.6: Electrophiles4.4: Bond Breaking and Bond Formation4.4.1: Transition States4.4.2: Reactive Intermediates