Ob tug hydrogens yog homotopic yog hloov ib qho tig los ntawm lwm pab pawg (piv txwv li D) muab ob lub molecules zoo tib yam. Homotopic hydrogens yog indistinguishable. Nyob rau hauv NMR spectrum lawv yog kiag li sib npaug rau ib leeg, muaj tib yam tshuaj hloov, thiab lwm yam.
Homotopic hauv chemistry yog dab tsi?
Homotopic: Atoms lossis pawg uas sib npaug. … Cov hydrogen atoms ntawm methane yog homotopic. Hloov ntawm ib qho ntawm plaub lub atoms hydrogen nrog bromine atom muab tib lub compound, bromomethane.
Dab tsi yog Enantiotopic thiab Diastereotopic hydrogens?
Yuav kom xaus, homotopic thiab enantiotopic protons yog tshuaj sib npaug thiab muab ib lub teeb liab. Nrhiav lawv nrog symmetry axis los yog lub dav hlau ntawm symmetry feem. Diastereotopic thiab heterotopic protons yog tshuaj tsis sib xws thiab muabob lub cim. Tsis muaj ib qho ntawm cov no tuaj yeem tshawb pom los ntawm lub ntsiab lus symmetry.
homotopic thiab heterotopic yog dab tsi?
Piv ob lub qauv tsim. YYog tias lawv zoo ib yam, cov protons yog homotopic, yog tias lawv yog enantiomers, cov protons yog enantiotopic, yog tias lawv yog diastereomers ces cov protons yog diastereotopic, yog tias lawv yog cov qauv isomers, cov protons yog kev cai lij choj. heterotopic.
Cov kua qaub twg muaj Enantiotopic hydrogens?
Ob qhov sib xyaw ua tau los ntawm qhov hloov pauv yuav yog enantiomers. Piv txwv li, ob lub hydrogen atoms txuas nrog cov pa roj carbon thib ob hauvbutane yog enantiotopic.
