Dab tsi alkenes muaj nyob rau hauv lawv cov npe?
Dab tsi alkenes muaj nyob rau hauv lawv cov npe?

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Video: Dab tsi alkenes muaj nyob rau hauv lawv cov npe?
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Anonim

Nws yog lub npe siv tib lub qia raws li alkane muaj tib tus naj npawb ntawm cov pa roj carbon atoms tab sis xaus rau hauv -ene kom paub tias nws yog alkene. Yog li lub compound CH 2= CHCH 3 yog propene.

13.1: Alkenes : Cov qauv thiab Cov npe.

IUPAC Lub npe 1-Pentene
Molecular Formula C 5H 10
Condensed Structure Formula CH 2= CH(CH 2) 2CH 3
Melting Point (°C) –138
Kub Point (°C) 30

Kuj paub, lwm lub npe ntawm alkene yog dab tsi?

Alkenes tseem hu ua OLEFINS vim lawv tsim cov kua roj ntawm cov tshuaj chlorine gas. Cov piv txwv sib xyaws ntawm ethene lossis ethylene thiab pentene yog qhia ntawm LEFT. Ethylene yog tus naj npawb ib cov organic tshuaj synthesized nyob rau hauv lub US thiab lub ntiaj teb no.

Tsis tas li ntawd, cov yam ntxwv ntawm alkenes yog dab tsi? Lub cev Cov khoom ntawm Alkenes Alkenes yog cov tsis-polar, thiab lawv ob qho tib si immiscible nyob rau hauv dej thiab tsawg ntom dua dej. Lawv feem ntau yog soluble hauv cov kuab tshuaj organic. Tsis tas li ntawd, lawv tsis ua hluav taws xob.

Yog li ntawd, dab tsi yog cov piv txwv ntawm alkenes?

Piv txwv muaj xws li Ethene (C2H4), propene (C3H6), butene (C4H8). Nco ntsoov tias lub npe ntawm alkene xaus nyob rau hauv suffix -ene.

Hauv qab no yog cov npe ntawm thawj yim Alkenes:

  • Ethene (C2H4)
  • Propene (C3H6)
  • Butene (C4H8)
  • Pentene (C5H10)
  • Hexene (C6H12)
  • Heptene (C7H14)
  • Octene (C8H16)
  • None (C9H18)

Lwm lub npe ntawm alkane yog dab tsi?

Lub npe tsis tseem ceeb (non-systematic) rau alkanes yog ' paraffins '. Ua ke, alkanes hu ua 'paraffin series'.

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