Qhov twg yog qhov ruaj khov tshaj dawb radical?
Qhov twg yog qhov ruaj khov tshaj dawb radical?

Video: Qhov twg yog qhov ruaj khov tshaj dawb radical?

Video: Qhov twg yog qhov ruaj khov tshaj dawb radical?
Video: Xav rov ntsib koj ib zaug dua. 8/8/2018 2024, Kaum ib hlis
Anonim

triphenylmethyl radical

Raws li txoj cai, dab tsi yog cov dawb radicals uas yog cov dawb radical ruaj khov tshaj plaws thiab yog vim li cas?

Ntau dua cov phenyl pawg ruaj khov dua yog cov dawb radical . Dawb radicals kuj yog luv luv-nyob heev reactive tshuaj hom vim hais tias ntawm lub zog nyiam ntawm cov pa roj carbon atom nqa cov khib electron kom tau ib tug. ntau electron ua kom tiav nws octet.

Kuj Paub, qhov twg Carbocation ruaj khov tshaj? Kev ruaj ntseg ntawm Alkyl Carbocations Kom meej meej, tertiary carbocation yog cov ruaj khov , raws li nws nyob ib puag ncig los ntawm peb lwm cov pa roj carbon atom uas qhia lub nra ntawm nws cov nqi zoo.

Yog li ntawd, vim li cas tertiary dawb radical feem ntau ruaj khov?

Yog vim li cas dawb radicals generated hauv ib kawm ntawv qib siab carbon ruaj khov dua ? Dawb radicals ntawm kawm ntawv qib siab carbons yog ruaj khov dua dua Secondary thiab Primary vim cov radical yog stabilized los ntawm hluav taws xob los ntawm lwm pab pawg neeg txuas thiab nyob rau hauv cov ntaub ntawv no nws yuav yeej yog hyperconjugation.

Puas yog dawb radical electrophilic?

Dawb radical tsis yog nucleophile lossis ib qho electrophile vim nws tsis nrhiav qhov zoo los yog tsis zoo them reactants. Dawb radical yog hom tsiaj uas tsis muaj nqi (Xero lossis Tsis Muaj Nqi). Hluav taws xob yog ib hom electron hlub; i.e lawv muaj tus nqi zoo.

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