Chemistry - Organic Chemistry - Hydrocarbons - Alkynes - structure and reactions - Triple Bond Chemistry

Slider compares alkane → alkene → alkyne bonding. Position 1 (Alkane C-C): Single bond, sp³, free rotation, 109.5°, σ only, saturated. Position 2 (Alkene C=C): Double bond, sp², restricted rotation, 120°, 1σ+1π, unsaturated. Position 3 (Alkyne C≡C): Triple bond, sp, linear 180°, 1σ+2π, MOST unsatura