The carbocation bonded rau peb alkanes (tertiary carbocation) yog qhov ruaj khov tshaj plaws, thiab yog li cov lus teb raug. Cov carbocations thib ob yuav xav tau lub zog ntau dua li tertiary, thiab cov carbocations thawj yuav xav tau lub zog tshaj plaws.
Qhov carbocation ruaj khov dua thiab vim li cas?
Tertiary carbocations yog qhov ruaj khov dua li cov carbocations thib ob. Ntawm cov nyhuv hu ua hyperconjugation. Ib daim ntawv cog lus C-H uas nyob sib ze yuav ua rau nws ruaj khov dua los ntawm kev pub qee qhov ntawm nws cov electron ceev rau hauv carbocation lub khoob p-orbital.
Qhov twg ntawm cov carbocation hauv qab no yog qhov ruaj khov tshaj plaws hauv chav kawm 11?
teb yog b. Nws yog tertiary carbocation. Ib qho carbocation tertiary yog cov carbocation ruaj khov tshaj plaws vim cov hluav taws xob tso tawm ntawm peb pawg methyl.
Qhov twg yog cov dawb radical ruaj khov tshaj plaws?
Allyl radical nyob rau hauv lem tsis ruaj khov dua benzyl dawb radical. Yog li ntawd, qhov ruaj khov tshaj dawb radical yog benzyl dawb radical.
Qhov Carbanion twg ruaj khov tshaj?
Teb: thawj carbanion yog cov carbanion ruaj khov tshaj plaws. Kev piav qhia: Lub hauv paus carbanion tsuas muaj ib pawg alkyl thiab qhov nce hauv electron ceev yog tsawg dua ntawm cov pa roj carbon atom. Yog li thawj carbanion yog qhov ruaj khov tshaj plaws.
