ORGANIC CHEMISTRY Chapter 6 6. 12B The relative Stabilities of Carbocations ( CH3)3C +>(CH3)2 CH >CH3 CH2>CH CH=CH-CH 3°>2°>1°> methyl o The relative stabilities of carbocations are related to the number of alkyl groups attached to the positively charged trivalent carbon atom o a charged system is stabilized when the charge is dispersed or localize d The delocalization of charge and the order of stability of the carbocations parallel the number of attached methyl groups Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 6 6.12B The Relative Stabilities of Carbocations CH2 CH CH2 > > > (CH3)3C CH3CH2 CH3 (CH3)2CH 3° >2° >1° >methyl The relative stabilities of carbocations are related to the number of alkyl groups attached to the positively charged trivalent carbon atom. A charged system is stabilized when the charge is dispersed or delocalized. The delocalization of charge and the order of stability of the carbocations parallel the number of attached methyl groups