Thaum anisole rhuab nrog nyob zoo cov khoom puas yog?

Cov txheej txheem:

Thaum anisole rhuab nrog nyob zoo cov khoom puas yog?
Thaum anisole rhuab nrog nyob zoo cov khoom puas yog?
Anonim

Thaum alkyl aryl ether yog rhuab nrog HI, lub halogen mus nrog alkyl pawg. Yog li ntawd, ntawm cua sov anisole (methyl phenyl ether) nrog HI, phenol thiab methyl iodidetau.

Dab tsi yog cov khoom tsim thaum anisole kho nrog HI?

Phenyl iodide thiab methyl iodide.

Yuav ua li cas yog cov khoom ntawm cov tshuaj tiv thaiv thaum anisol?

Anisole yog methoxy benzene. Anisole reacts nrog protons los ntawm hydroiodic acid los ua methyl (phenyl) oxonium ion. … Tab sis yog tias iodide ion tawm tsam cov pa roj carbon atom, ces cov khoom yog methanol thiab iodobenzene. Hauv methyl (phenyl) oxonium ion, cov pa atom muaj cov nqi zoo.

Cov khoom lag luam ntawm phenol yog dab tsi?

Phenyl methyl ether (anisole) reacts nrog HI muab phenol thiab methyl iodidethiab tsis yog iodobenzene thiab methyl cawv vim _.

Yuav ua li cas thaum methyl benzene reacts nrog HI?

Teb: Methoxybenzene reacts nrog hydroiodic acid HI tsim phenol thiab iodomethane.

Pom zoo:

Cov neeg koom nrog kev lag luam twg yog cov neeg siv khoom ntawm cov tuam txhab tshuaj?

Cov neeg koom nrog kev lag luam twg yog cov neeg siv khoom ntawm cov tuam txhab tshuaj?

Nyiaj Tshuaj Johnson & Johnson ($ 276 billion tus nqi lag luam) Novartis ($ 273 billion) Pfizer ($ 212 nphom) Merck ($ 164 billion) GlaxoSmithKline ($ 103 billion) Eli Lilly ($ 98 nphom) Leej twg yog cov players hauv kev lag luam tshuaj?

Puas yog cov roj chlorine yog cov khoom lossis cov khoom sib xyaw?

Puas yog cov roj chlorine yog cov khoom lossis cov khoom sib xyaw?

Chlorine yog nyob rau hauv pawg 17 ntawm lub sij hawm lub sij hawm, tseem hu ua lub halogens, thiab tsis pom raws li lub caij nyob rau hauv cov xwm - tsuas yog ib tug compound. Feem ntau ntawm cov no yog ntsev, los yog sodium chloride, thiab cov poov tshuaj compounds sylvite (los yog potassium chloride) thiab carnallite (potassium magnesium chloride hexahydrate).

Thaum tooj liab rhuab nrog concentrated hno3 nws tsim?

Thaum tooj liab rhuab nrog concentrated hno3 nws tsim?

Hint: Thaum tooj liab reacts nrog nitric acid, cupric nitrate yog tsim nrog cov pa lom liab liab xim av nrogcov ntxhiab tsw ntxhiab tsw. Thaum tooj liab yog rhuab nrog concentrated nitric acid nws tsim? Cov tshuaj tiv thaiv ua rau cov roj ntsha liab-xim av nitrogen dioxide thiab cov kua kub, cov ntsiab lus ntawm tooj liab (II) nitrate, uas yog xiav.

Cov khoom siv puas yog khoom vaj khoom tsev?

Cov khoom siv puas yog khoom vaj khoom tsev?

khoom yog a khoom vaj khoom tsev ruaj khov, lossis khoom tsis yog tam sim no. Qhov no txhais tau tias nws yuav tsis raug muag hauv lub xyoo tom ntej accounting thiab tsis tuaj yeem ua kua tau yooj yim. Txawm hais tias nws yog qhov zoo kom muaj cov khoom muaj nqis tam sim no uas muab koj lub lag luam npaj nkag mus rau cov nyiaj ntsuab, tau txais cov cuab tam mus sij hawm ntev kuj yog qhov zoo.

Puas yog cov nroj tsuag carnivorous yog cov tsim khoom lossis cov neeg siv khoom?

Puas yog cov nroj tsuag carnivorous yog cov tsim khoom lossis cov neeg siv khoom?

As producers, cov nroj tsuag tsim lub hauv paus ntawm yuav luag txhua cov khoom noj hauv ntiaj teb. Carnivorous nroj tsuag zoo li "tig rooj" thaum lawv ua raws li cov neeg siv khoom, gobbling kab, qav, thiab cov tsiaj me me. Puas yog Venus flytrap yog tus neeg siv khoom thiab tsim khoom?