2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Swarts fluorination yog txheej txheem uas cov tshuaj chlorine atoms nyob rau hauv ib qho chaw - feem ntau yog cov organic compound, tab sis kev sim tau ua los ntawm silanes - yog hloov nrog fluorine, los ntawm kev kho nrog antimony trifluoride nyob rau hauv lub xub ntiag ntawm chlorine los yog antimony pentachloride.
Yuav ua li cas hlau chloride siv rau hauv cov tshuaj tiv thaiv Swarts?
Swarts reagent yog dab tsi? Qhov sib xyaw ntawm antimony trifluoride (SbF 3) thiab chlorine(Cl2) yog lub npe hu ua Swarts reagent..
Vim li cas NAF tsis siv hauv Swarts cov tshuaj tiv thaiv?
Cov tshuaj tiv thaiv Swarts yog cov tshuaj tiv thaiv tseem ceeb heev los npaj alkyl fluoride indirect. Yog tias peb siv txoj kev ncaj nraim xws li lwm yam halogen los npaj fluoro alkane, fluorine tua cov alkane los tsim cov pa roj carbon thiab HF. Vim F2 muaj zog electronegative thiab nquag heev. Yog li alkyl fluoride tsis muaj.
Yuav ua li cas yog cov tshuaj fluoride yog siv nyob rau hauv cov tshuaj tiv thaiv Swartz?
Alkyl fluorides yog npaj los ntawm cua sov alkyl bromide los yog chloride nyob rau hauv muaj hlau fluoride xws li $AgF, Sb{F_3}$ los yog $H{g_2}{F_2}. $. Cov tshuaj tiv thaiv no hu ua Swarts cov tshuaj tiv thaiv. $C{H_3}Br + AgF \to C{H_3}F + AgBr$ yog ib qho piv txwv ntawm Swarts cov tshuaj tiv thaiv.
Dab tsi yog Swarts cov tshuaj tiv thaiv thiab Finkelstein cov tshuaj tiv thaiv?
Cov tshuaj tiv thaiv ntawm Swarts thiab Finkelstein yog halogen pauv kev cuam tshuam txog alkyl halides. Hauv cov tshuaj tiv thaiv no, sodium iodide (thenucleophile) raug kho nrog ethyl chloride (lub ntsiab alkyl halide) los tsim ethyl iodide.
Pom zoo:
Cov tshuaj tiv thaiv dab tsi rau kev txhaj tshuaj tiv thaiv thib ob?
Cov tshuaj tiv thaiv COVID-19 thib ob yog dab tsi? Cov kev mob tshwm sim feem ntau tom qab koob thib ob yog qhov mob ntawm qhov chaw txhaj tshuaj (92.1% tshaj tawm tias nws kav ntev dua 2 teev); qaug zog (66.4%); mob lub cev lossis leeg nqaij (64.
Qhov twg hauv qab no yog cov tshuaj tiv thaiv swarts?
$C{H_3}Br + AgF \to C{H_3}F + AgBr$ yog ib qho piv txwv ntawm Swarts cov tshuaj tiv thaiv. Thaum cov tshuaj tiv thaiv ethane yog tsim los ntawm methyl chloride methyl chloride Chloromethane, tseem hu ua methyl chloride, Refrigerant-40, R-40 los yog HCC 40, yog cov organic compound nrog cov tshuaj formula CH 3 Cl .
Puas yog lub cev tiv thaiv kab mob hauv lub cev puas tsim cov tshuaj tiv thaiv?
Lub cev tiv thaiv kab mob tau txais, nrog kev pab los ntawm lub cev hauv lub cev, tsim cov hlwb (tshuaj tiv thaiv kab mob) los tiv thaiv koj lub cev los ntawm ib tus neeg invader tshwj xeeb. Cov tshuaj tiv thaiv no yog tsim los ntawm cov hlwb hu ua B lymphocytes tom qab lub cev tau raug rau cov neeg ua phem.
Vim li cas cov tshuaj tiv thaiv combustion yog cov tshuaj tiv thaiv oxidation?
Kev sib xyaw ua ke ib txwm ua rau muaj oxygen lossis huab cua. … Hauv combustion cov tshuaj tiv thaiv oxygen yog ua ke nrog cov roj qhov chaw feem ntau carbon thiab hydrogen raws li ua rau carbon dioxide thiab dej thiab yog li qhov no yog cov tshuaj tiv thaiv oxidation.
Yuav ua li cas tshem thionyl chloride los ntawm cov tshuaj tiv thaiv?
Txoj hauv kev yooj yim tshaj plaws los tshem tawm cov thionyl chloride ntau dhau yogtsom rau cov tshuaj tiv thaiv sib xyaw nrog rotavap txuas nrog cov tshuaj potassium hydroxide. Yuav ua li cas thionyl chloride tshem tawm ntawm cov tshuaj tiv thaiv sib tov?
