Qhov txawv ntawm 2 Propanol thiab Isopropanol

Cov txheej txheem:

Qhov txawv ntawm 2 Propanol thiab Isopropanol
Qhov txawv ntawm 2 Propanol thiab Isopropanol

Video: Qhov txawv ntawm 2 Propanol thiab Isopropanol

Video: Qhov txawv ntawm 2 Propanol thiab Isopropanol
Video: Qhov Txawv Ntawm Phiaj 2 & 3 2024, Hlis ntuj nqeg
Anonim

Qhov sib txawv tseem ceeb ntawm 2 propanol thiab isopropanol yog tias 2 propanol yog IUPAC lub npe rau cov tshuaj muaj cov tshuaj formula C3H8 O whereas isopropanol yog lub npe nrov rau tib lub compound.

Ob nqe lus npe tib yam tshuaj uas muaj cov tshuaj formula C3H8O. Yog li, nws yog ib qho dej cawv uas muaj cov pab pawg ua haujlwm hydroxyl. Ntawm no, peb yuav piav qhia cov laj thawj tom qab txhua lub npe, ntxiv rau cov qauv, cov khoom, thiab kev siv cov khoom sib xyaw no,

2 Propanol yog dab tsi?

2 propanol yog lub npe IUPAC rau cov khoom sib xyaw uas muaj cov tshuaj formula C3H8O. Li no, 2 propanol yog ib qho cawv uas muaj cov pab pawg hydroxyl (-OH) ua nws pawg ua haujlwm. Nws tshwm sim raws li cov kua tsis muaj xim nyob rau hauv chav tsev kub, thiab nws yog heev flammable thiab. Tsis tas li ntawd, nws kuj muaj ntxhiab tsw.

Qhov txawv ntawm 2 Propanol thiab Isopropanol_Fig 01
Qhov txawv ntawm 2 Propanol thiab Isopropanol_Fig 01

Daim duab 01: Cov qauv tshuaj ntawm 2 Propanol

Thaum xav txog cov qauv tshuaj, nws muaj peb cov pa roj carbon atoms ua cov saw, thiab pawg hydroxyl txuas mus rau nruab nrab cov pa roj carbon monoxide thaum tag nrho lwm qhov chaw seem muaj hydrogen atoms. Nws yog li ntawd, cov cawv thib ob thiab yog cov qauv isomer rau 1-propanol.

Qee cov ntaub ntawv tshuaj lom neeg thiab lub cev ntawm cov tshuaj muaj raws li hauv qab no;

  • Molar mass yog 60.1 g/mol.
  • Zoo tsis muaj xim.
  • Lub ntsiab lus melting yog −89 °C.
  • Cov ntsiab lus kub yog 82.6 ° C.
  • Muscible nrog dej, ethanol, ether thiab chloroform.
  • Ua kom khov ntxiv nrog txo qis.

Isopropanol yog dab tsi?

Isopropanol yog lub npe nrov rau cov tshuaj uas muaj cov tshuaj formula C3H8O. Lub npe IUPAC ntawm qhov sib xyaw no yog 2 propanol, thiab nws kuj tseem muaj xws li isopropyl cawv.

Qhov txawv ntawm 2 Propanol thiab Isopropanol
Qhov txawv ntawm 2 Propanol thiab Isopropanol

Daim duab 02: Ib Lub raj mis ntawm Isopropanol

Nws muab lub npe nrov los ntawm nws cov qauv; cov molecule yog ib qho cawv, thiab nws muaj ib pawg isopropyl txuas mus rau ib pawg hydroxyl uas ua rau nws cov cawv thib ob.

Qhov txawv ntawm 2 Propanol thiab Isopropanol yog dab tsi?

Ob nqe lus 2 propanol thiab isopropanol piav qhia tib yam tshuaj lom neeg uas muaj cov tshuaj formula C3H8O; tsuas yog terminology txawv ntawm ib leeg. Tshwj xeeb, 2 propanol yog IUPAC lub npe rau cov khoom sib xyaw thaum isopropanol yog lub npe nrov. Yog li ntawd, tsis yog daim ntawv thov ntawm lo lus, tsis muaj qhov sib txawv ntawm 2 propanol thiab isopropanol.

Tsis tas li ntawd, lwm lub npe uas peb siv hauv lub neej niaj hnub yog isopropyl cawv. Txawm hais tias tag nrho peb cov ntsiab lus npe tib cov tshuaj sib xyaw, lawv tau txais lawv cov npe raws li cov qauv tshuaj ntawm cov tshuaj. 2 propanol tau txais nws lub npe vim yog kev sib txuas ntawm pawg hydroxyl rau 2 nd carbon ntawm propane molecule. Ntawm qhov tod tes, isopropanol lossis isopropyl cawv tau txais nws lub npe vim yog kev sib txuas ntawm pawg isopropyl mus rau pawg hydroxyl.

Cov hauv qab no qhia txog qhov sib txawv ntawm 2 propanol thiab isopropanol.

Qhov sib txawv ntawm 2 Propanol thiab Isopropanol hauv Tabular Form
Qhov sib txawv ntawm 2 Propanol thiab Isopropanol hauv Tabular Form

Summary – 2 Propanol vs Isopropanol

Ob nqe lus 2 propanol thiab isopropanol piav qhia tib yam tshuaj lom neeg. Yog li, tsuas yog cov terminology txawv. Li no, qhov sib txawv tseem ceeb ntawm 2 propanol thiab isopropanol yog tias 2 propanol yog IUPAC lub npe rau cov tshuaj uas muaj cov tshuaj formula C3H8O. whereas isopropanol yog lub npe nrov rau tib lub compound.

Pom zoo: