YPyrogallol yog cov organic compound nrog cov mis C6H3(OH)3. Nws yog xim dawb,
dej-soluble solid txawm tias cov qauv feem ntau yog xim av vim nws rhiab heev rau oxygen.
Puas alkaline pyrogallol nqus dej?
Alkaline pyrogallol nqus dej thiab oxygen. Yog li nws yog siv rau hauv photosynthesis los ntsuas qhov tseem ceeb ntawm dej raws li ib qho ntawm cov khoom tsim nyog rau photosynthesis coj qhov chaw.
Puas yog pyrogallol polar lossis nonpolar?
Pyrogallol li phenolic compound yog ib qho organic polar moleculeNws muaj ib feem tsis zoo thiab zoo nqi nyob ntawm hydroxyl oxygen atoms thiab hydroxyl hydrogen atoms feem. Qhov ruaj khov tsis zoo ion ntawm pyrogallol cov cuab yeej yog muaj los ntawm cov nqi tsis zoo delocalization los ntawm nws lub nplhaib benzene.
Yuav ua li cas ua pyrogallol?
YDissolve 20 g ntawm resublimed pyrogallol hauv dej, ntxiv
10 ml ntawm conc. HCl thiab 2 g ntawm SnCl 2. 2H2O (ua kua hauv 5 ml ntawm conc. HCl), thiab dilute cov tshuaj nrog 0.1 M HCl rau 100 ml.
YPuas yog pyrogallol yog cov kua qaub?
pyrogallol, tseem hu ua pyrogallic acid, los yog 1, 2, 3-trihydroxybenzene, ib qho organic compound belongs rau tsev neeg phenol, siv los ua cov duab thaij duab tsim tawm thiab hauv kev npaj. ntawm lwm yam tshuaj. Pyrogallol yog thawj zaug tau txais nyob rau hauv 1786 los ntawm gallic acid, tau los ntawm galls thiab barks ntawm ntau yam ntoo.
