Video: Dab tsi yog hu ua structural isomers?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
A qauv isomer , los yog Constitutional isomer (ib IUPAC), yog hom isomer nyob rau hauv uas cov molecules nrog tib cov qauv molecular muaj cov qauv sib txawv thiab lawv cov koom haum atomic, as opposed to stereoisomers , nyob rau hauv uas molecular bonds yeej ib txwm nyob rau hauv tib yam kev txiav txim thiab tsuas spatial kev npaj txawv.
Hauv qhov no, dab tsi yog txhais los ntawm cov qauv isomers?
qauv isomer . Ib qho ntawm ob lossis ntau lub tebchaw nrog cov qauv tshuaj zoo ib yam, xws li propyl cawv thiab isopropyl cawv, uas sib txawv hauv cov kab ke uas cov atoms txuas. Cov qauv isomers tsis txhob nthuav tawm tib yam tshuaj lom neeg tus cwj pwm. Sib piv stereoisomer.
Ib yam li ntawd, qhov sib txawv ntawm cov qauv isomers yog dab tsi? Muaj peb hom qauv isomers : sawb isomers , pab pawg ua haujlwm isomers thiab positional isomers . Cov saw isomers muaj tib cov qauv molecular tab sis txawv kev npaj los yog ceg. Pab pawg ua haujlwm isomers muaj cov mis tib yam tab sis txawv pab pawg ua haujlwm.
Tsis tas li ntawd, cov qauv isomers muab piv txwv li cas?
Cov qauv isomers yog cov molecules nrog tib cov qauv molecular, tab sis lawv cov atoms muaj kev sib txawv lossis kev sib txuas. rau piv txwv : Butane thiab isobutane muaj tib cov pa roj carbon (C) atoms thiab hydrogen (H) atoms, yog li lawv cov qauv molecular yog tib yam.
Vim li cas cov qauv isomers tseem ceeb?
Lawv yog tseem ceeb vim ob isomers tuaj yeem muaj cov qauv tshuaj tib yam, tab sis muaj cov tshuaj sib txawv cov qauv . Cov qauv contributes rau cov khoom ntawm cov molecule.
Pom zoo:
Dab tsi yog qhov txawv ntawm cov qauv isomers thiab stereoisomers?
Cov qauv isomers muaj tib lub qauv molecular tab sis muaj kev sib txuas sib txawv ntawm cov atoms. Stereoisomers muaj cov qauv molecular zoo tib yam thiab kev npaj ntawm atoms. Lawv txawv ntawm ib leeg xwb nyob rau hauv spatial orientation ntawm pawg nyob rau hauv lub molecule
Dab tsi yog qhov txawv ntawm saw isomers thiab positional isomers?
Cov qauv isomers muaj tib lub qauv molecular tab sis sib txawv ntawm cov atoms. Muaj peb hom qauv isomers: saw isomers, functional group isomers thiab positional isomers. Chain isomers muaj tib lub qauv molecular tab sis txawv kev npaj lossis ceg
Yuav ua li cas yog cov structural units uas ua ionic compounds thiab yuav ua li cas lawv hu ua?
Rau binary ionic compounds (ionic compounds uas muaj tsuas yog ob hom ntawm cov ntsiab lus), cov tebchaw muaj npe los ntawm kev sau lub npe ntawm cov cation ua ntej tom qab lub npe ntawm anion. Piv txwv li, KCl, ib qho ionic compound uas muaj K + thiab Cl-ions, yog lub npe hu ua potassium chloride
Dab tsi yog qhov txhais cov yam ntxwv ntawm peb chav kawm loj ntawm isomers?
Isomers yog cov tebchaw nrog tib cov qauv molecular tab sis txawv cov qauv tshuaj thiab kev ua haujlwm. Tej zaum koj yuav tau kawm tias muaj peb hom isomers - qauv thiab geometric isomers thiab enantiomers - thaum tiag tiag tsuas muaj ob hom (cov qauv thiab stereoisomer) thiab ob peb subtypes
Dab tsi yog qhov txawv ntawm cis thiab trans isomers ntawm alkenes?
Cis isomers yog cov molecules nrog tib qhov sib txuas ntawm atoms. Lawv txuas ntxiv muaj cov pab pawg zoo ib yam feem ntau ntawm tib sab. Ib tug trans isomer muaj molecules nrog ob tib atoms tab sis nyob rau hauv opposite sab ntawm ob daim ntawv cog lus. Nws yog feem ntau ntawm lub sij hawm ib tug polar molecule