Leej twg muab cov tshuaj carbylamine?

Cov txheej txheem:

Leej twg muab cov tshuaj carbylamine?
Leej twg muab cov tshuaj carbylamine?
Anonim

D. p-methyl-N-methyl benzyl amine. Lus Qhia: Carbylamine test yog muab los ntawm aliphatic lossis aromatic thawj amines nkaus xwb. Qhov thib ob, tertiary amines muab qhov tsis zoo rau qhov kev sim no.

Puas aniline muab cov tshuaj carbylamine?

N-methyl aniline tsis muab tshuaj carbylamine.

Kev kuaj carbylamine siv rau dab tsi?

Kev sim rau ntaus thawj amines los ntawm cua sov cov tshuaj nrog chloroform hauv cov tshuaj yooj yim, muaj cov amine raug qhia los ntawm tus yam ntxwv tsis hnov tsw ntawm isocyanide.

Kev kuaj carbylamine yog dab tsi?

Carbylamine test yog siv los kuaj aniline. Aliphatic los yog aromatic thawj amines ntawm cua sov nrog chloroform thiab cawv poov tshuaj hydroxide muab foul tsw alkyl isocyanides los yog carbylamines. Secondary lossis tertiary amines tsis muab qhov kev sim no.

Peb puas tuaj yeem siv cov tshuaj carbylamine?

Raws li nws yog tsuas yog siv tau rau thawj amines, cov tshuaj tiv thaiv carbylamine tuaj yeem siv los ua tshuaj lom neeg rau lawv qhov muaj. Hauv cov ntsiab lus no, cov tshuaj tiv thaiv kuj hu ua Saytzeff's isocyanide test. Hauv cov tshuaj tiv thaiv no, cov tshuaj ntsuam xyuas yog rhuab nrog dej cawv potassium hydroxide thiab chloroform.

Pom zoo:

Nthuav cov khoom
Thaum twg tus menyuam ya mus?
Nyeem ntxiv

Thaum twg tus menyuam ya mus?

Fledglings feem ntau pib sim ya thaum cov noog muaj kwv yees li ob lub lis piam, thiab txawm tias lawv tau pib tawm hauv lub zes, lawv tsis nyob ntawm lawv tus kheej, raws li cov Massachusetts Audubon Society. Cov niam txiv feem ntau nyob ze, saib xyuas lawv cov xeeb ntxwv thiab tseem muab zaub mov.

Ntau npaum li cas 99 chinning osrs?
Nyeem ntxiv

Ntau npaum li cas 99 chinning osrs?

Feem ntau, rau 99 ntau yam, koj xav tias yuav siv sijhawm 40+ hnub kev cob qhia siv hlau lossis hlau riam phom. Tab sis kuj ceeb tias, txoj kev no raug nqi txog 30M-55Mnrog rune xub lossis mithril ntuav riam. Ntxiv rau, koj tuaj yeem ua tiav 60-99 ntau yam hauv tsawg li 15 hnub.

Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob?
Nyeem ntxiv

Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob?

Gramophone: Txhua lub suab kaw suab, lossis cov cuab yeej ua si yav dhau los-cov suab kaw, tshwj xeeb tshaj yog tias nws siv lub tiaj tiaj tiaj. Phonograph: Txhua lub suab kaw suab, lossis cov cuab yeej siv rau kev ua si cov suab uas tau kaw dhau los, tshwj xeeb tshaj yog tias nws siv lub tog raj kheej tig.