Nyob rau hauv cov sulfonation ntawm benzene cov active hom kev koom tes yog?

Cov txheej txheem:

Nyob rau hauv cov sulfonation ntawm benzene cov active hom kev koom tes yog?
Nyob rau hauv cov sulfonation ntawm benzene cov active hom kev koom tes yog?
Anonim

Sulphonation ntawm benzene yog ua los ntawm SO3 (electrophile).

Yuav ua li cas yog hom kab mob hauv Sulphonation ntawm benzene?

Yog li, lub zog electrophile hauv sulfonation ntawm benzene yog sulphur trioxide.

Sulphonation ntawm benzene yog dab tsi?

Sulfonation ntawm benzene yog txheej txheem cua sov benzene nrog fuming sulfuric acid (H2SO4 + SO3) los tsim benzenesulfonic acid. Cov tshuaj tiv thaiv yog thim rov qab hauv qhov xwm txheej.

Dab tsi yog hom tawm tsam hauv Sulphonation?

Cov p electrons ntawm aromatic C=C ua raws li nucleophile, tawm tsam cov electrophilic S, thawb tawm mus rau ib qho electronegative O atom. Qhov no rhuav tshem cov aromaticity muab cov cyclohexadienyl cation intermediate.

Qhov twg hauv qab no yog cov tshuaj electrophile hauv Sulphonation ntawm benzene?

SO3 is an electrophile in the sulfonation of benzene class 11 chemistry CBSE.

Pom zoo:

Nyob hauv kev koom tes nrog cov neeg koom nrog?

Nyob hauv kev koom tes nrog cov neeg koom nrog?

Kev koom tes nrog cov koom nrog yog txheej txheem los ntawm cov tuam txhab sib txuas lus thiab paub txog lawv cov neeg muaj feem. Los ntawm kev paub lawv, cov tuam txhab muaj peev xwm nkag siab zoo dua qhov lawv xav tau, thaum lawv xav tau, lawv koom nrog li cas thiab cov tuam txhab cov phiaj xwm thiab kev nqis tes ua yuav cuam tshuam rau lawv cov hom phiaj.

Rau kev koom tes nrog cov neeg koom nrog?

Rau kev koom tes nrog cov neeg koom nrog?

Kev koom tes nrog cov neeg koom nrog yog hais txog kev paub txog koj cov neeg koom nrog yog leej twg, nkag siab lawv thiab paub tias yuav koom nrog lawv hauv koj li cas. … Tsim kom muaj kev nkag siab txog cov neeg koom nrog cov kev xav, kev txhawj xeeb thiab kev coj ua zoo tshaj plaws tuaj yeem pab tsim cov haujlwm.

Thaum kev sib koom ua ke nyob hauv qhov xwm txheej ntawm kev sib koom ua ke?

Thaum kev sib koom ua ke nyob hauv qhov xwm txheej ntawm kev sib koom ua ke?

29. Kev sib koom ua ke yuav tsum raug suav tias yog kev sib koom ua ke hauv qhov kev sib koom ua ke thaum tag nrho cov xwm txheej hauv qab no tau txaus siab: Tag nrho cov cuab tam thiab kev lav phib xaub ntawm lub tuam txhab hloov pauv dhau los, tom qab sib sau ua ke, cov cuab tam thiab lav ntawm lub tuam txhab transferee.

Thaum lub sijhawm sulfonation ntawm benzene h2so4 tsim cov electrophile?

Thaum lub sijhawm sulfonation ntawm benzene h2so4 tsim cov electrophile?

thawj kauj ruam hauv nitration ntawm benzene yog ua kom HNO 3 nrog sulfuric acid los tsim cov electrophile muaj zog, cov nitronium ion. Vim tias nitronium ion yog ib qho zoo electrophile, nws raug tawm tsam los ntawm benzene los tsim Nitrobenzene.

Yuav ua li cas hom kev sib koom ua ke yog qhov sib koom ua ke ntawm distal interphalangeal?

Yuav ua li cas hom kev sib koom ua ke yog qhov sib koom ua ke ntawm distal interphalangeal?

Interphalangeal (IP) cov pob qij txha ntawm tes yog pob khawm-hom synovial pob qij txha ntawm cov phalanges uas nyob ib sab. Tus ntiv tes xoo muaj ib qho kev sib koom ua ke, thiab tus lej thib ob mus rau tsib tus lej txhua tus muaj qhov sib thooj thiab qhov sib cuam tshuam interphalangeal.