Video: Puas yog acetone muaj lub sijhawm net dipole?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hauv acetone , qhov tshwm sim ntawm C-Hbond dipole moments (txawm tias me me) ntxiv rau C = O. dipolem kev . B. Daim ntawv cog lus C-H dipole moments ntawm acetone yog qhov loj dua li C-Cl daim ntawv cog lus dipolemments ntawm phosgene.
Ib yam li ntawd, lub sijhawm net dipole yog dab tsi?
Net dipole lub sijhawm tsuas yog sum ntawm tag nrho cov dipolemments hauv molecule. Dipole lub sijhawm txiav txim siab tias daim ntawv cog lus yog polar lossis nonpolar. Txawm li cas los xij, nws yog tsis muaj dipolemement , uas txiav txim, seb lub molecule yog polar los yog tsis. Agoodexample yog carbon dioxide.
Tsis tas li ntawd, koj yuav nrhiav tau lub sijhawm dipole li cas? Qhov loj dua qhov sib txawv hauv electronegativity nruab nrab ntawm ob lub atoms, qhov ntau electronegative uas daim ntawv cog lus yog. Tobeconsidered ib tug polar bond, qhov sib txawv ntawm electronegativity yuav tsum loj. Cov dipole sij cov ntsiab lus nyob rau hauv cov kev taw qhia ntawmthevector kom muaj nuj nqis ntawm txhua daim ntawv cog lus electronegativities ntxiv rau ua ke.
Ib sab saum toj no, puas yog acetone ib tug polar lossis nonpolar molecule?
Dej yog a polar molecule , hos carbontetrachloride yog a tsis muaj polar molecule . Yog tias peb siv lub tswvyim 'likedissolves', ces acetone yog ob leeg polar thiab tsis muaj polar . Qhov no dual tus cwj pwm ntawm acetone yog vim nws lub peev xwm los ua hydrogen bonds nrog dej thiab muaj ob pawg methyl.
Puas yog acetone ntau dua polar dua dej?
Nyob rau hauv cov ntaub ntawv ntawm acetone , nws yog me ntsis ntau dua li dej . Dej kuj yog ib polar kuab tshuaj.
Pom zoo:
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