isomerism .Configurational isomers they can be interconverted only by the breaking and reforming of bonds they can be separated H3c CH3CH=CHOH OH C=C H CH3 CH3 CH3 OH CH HOIsomerism Configurational isomers ---- they can be interconverted only by the breaking and reforming of bonds ---- they can be separated CH3 H H H O H H CH3 H O C C H OH H CH3 C C OH H H CH3 O H3C CH3CH=CHOH