Lub anhydrous zncl2 yog siv rau hauv cov txheej txheem grooves li txo tus neeg sawv cev, txij li thaum nyob rau hauv cov tshuaj tiv thaiv HX daim ntawv cog lus muaj zog yuav tawg yog li anhydrous zncl2 + tshav kub pab kom tawg thiab nws kuj txo 1° cawv rau hauv alkylhalide ncaj qha.
Vim li cas anhydrous ZnCl2 siv hauv Lucas kuaj?
"Lucas 'reagent" yog ib qho kev daws ntawm anhydrous zinc chloride hauv concentrated hydrochloric acid. Cov tshuaj no yog siv txhawm rau txheeb xyuas cov cawv ntawm qhov hnyav molecular. Cov tshuaj tiv thaiv yog kev hloov pauv uas cov tshuaj chloride hloov ib pawg hydroxyl.
Dab tsi yog qhov ua haujlwm ntawm anhydrous ZnCl2 hauv Lucas kuaj ntawm cawv?
Kev ua haujlwm ntawm ZnCl_(2) hauv Lucas kuaj rau cawv yog
HCl los tsim cov tshuaj alkyl chloride.
Vim li cas ZnCl2 siv los npaj Haloalkanes?
Lub hom phiaj ntawm ZnCl2 (catalyst) yog dab tsi hauv kev npaj cov alkyl halides los ntawm cawv? HCl tsis tshua muaj kev cuam tshuam nrog cawv vim tias kev sib cog lus ntawm H thiab Cl muaj zog dua HBr thiab HI vim qhov me me ntawm HCl. Li no nws cov tshuaj tiv thaiv nrog cawv xav tau ib tug catalyst ZnCl2, uas pab muab ib tug Cl- ion rau kev hloov.
Lub luag haujlwm ntawm cov dej tsis muaj dej ZnCl2 hauv cov tshuaj tiv thaiv Roh thiab HCl yog dab tsi?
Tau ua ua cov kua qaub catalyst thiab hnov mob nrog HCl los ua H2ZnCl4. … Ua raws li lub hauv paus catalyst thiab hnov mob nrog NaOH los ua Na2Zn(OH)4.