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Samenvatting Organische Chemie | Alkanen & Functionele Groepen | UA | 2026/27 (1ste jaar BMW)

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Dit document bevat uitgebreide studiemateriaal voor het vak Organische chemie m.i.v. labovaardigheden aan de Universiteit Antwerpen. De inhoud behandelt fundamentele onderwerpen zoals de introductie tot organische chemie, het koolstofatoom, structuurformules, alkanen, cycloalkanen, en functionele groepen (alkylhalogeniden, ethers, alcoholen, amines) met volledige nomenclatuur volgens IUPaC-regels. Dit materiaal is ideaal voor examenvoorbereiding en biedt een solide basis voor het begrip van organische verbindingen en hun eigenschappen.

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Organische chemie

, Inhoudsopgave
1. H1: inleidiing tot de organische chemie ................................................................................ 11
1.1 histrotiek en defintie .......................................................................................................... 11
1.1.1 Oorsprong ..................................................................................................................... 11
1.1.2 Vitalisme vs. Synthese ................................................................................................... 11
1.1.3 Moderne definitie: ......................................................................................................... 11
1.2 het atoom koolstof (C) ....................................................................................................... 11
1.2.1 Waarom koolstof ........................................................................................................... 11
1.2.2 Elektronenconfiguratie ................................................................................................... 11
1.2.3 Hybridisatie ................................................................................................................... 11
1.3 weergave van organische moleculen .................................................................................. 11
1.3.1 Structuurformules ......................................................................................................... 11
1.3.2 Skeletstructuur (C-skelet) .............................................................................................. 12

1.4 oxidatiegetallen in de organische chemie ........................................................................... 12
1.4.1 Methode ....................................................................................................................... 12
1.4.2 Berekening .................................................................................................................... 12

2 H2: inleiding tot organische verbindingen ............................................................................. 13
2.1 alkanen: de basis .............................................................................................................. 13
2.1.1 Definitie ........................................................................................................................ 13
2.1.2 Algemene bruto formule ................................................................................................ 13
2.1.3 Voorkomen .................................................................................................................... 13
2.1.4 Homologe reeks ............................................................................................................ 13
2.2 structuur en hybridisatie .................................................................................................... 13
2.2.1 Sp3-hybridisatie ............................................................................................................. 13
2.2.2 Bindingen ...................................................................................................................... 13
2.2.3 Isomerie ........................................................................................................................ 13
2.3 nomenclatuur (IUPaC regels) ............................................................................................. 14
2.4 cycloalkanen .................................................................................................................... 15
2.4.1 Kenmerken .................................................................................................................... 15
2.4.2 Nomenclatuur ............................................................................................................... 15

2.5 andere functionele groepen ............................................................................................... 15
2.5.1 Alkylhalogeniden ........................................................................................................... 15
2.5.2 Ethers ........................................................................................................................... 16
2.5.3 Kroonethers .................................................................................................................. 16
2.5.4 Cyclische ethers ............................................................................................................ 16
2.5.5 Alcoholen...................................................................................................................... 16
2.5.6 Amines.......................................................................................................................... 17
2.5.7 Quaternaire ammoniumzouten en cyclische amines ....................................................... 18
2.5.8 Cyclische amines (nomenclatuur) .................................................................................. 18

2.6 fysiche eigenschappen ...................................................................................................... 19

, 2.6.1 Kookpunt: ..................................................................................................................... 19
2.6.2 Factoren die het kookpunt beïnvloeden .......................................................................... 19
2.6.3 Smeltpunt ..................................................................................................................... 20
2.6.4 Oplosbaarhed ............................................................................................................... 21
2.6.5 Alkanen ......................................................................................................................... 21
2.6.6 Alcoholen en ethers ....................................................................................................... 21
2.6.7 Amines.......................................................................................................................... 21
2.6.8 Alkyhaliden ................................................................................................................... 21

2.7 structuur alkanen en cycloalkanen..................................................................................... 22
2.7.2 Conformaties van alkanen ............................................................................................. 22
2.7.3 Structuur van cycloalkanen ............................................................................................ 23

3 Alkenen en alkynen ............................................................................................................. 26
3.1 inleiding en structuur ......................................................................................................... 26
3.1.1 Definities:...................................................................................................................... 26
3.1.2 Hybridisatie en geometrie: ............................................................................................. 26

3.2 nomenclatuur (iupac-regels).............................................................................................. 27
3.2.1 Stamnaam bepalen: ...................................................................................................... 27
3.2.2 Nummering: .................................................................................................................. 27
3.2.3 Prioriteiten bij meerdere groepen:................................................................................... 27
3.2.4 Gebruiksnamen van alkenen: ......................................................................................... 27
3.2.5 Gebruiksnamen van alkynen .......................................................................................... 28
3.3 isomerie bij alkenen .......................................................................................................... 28
3.3.1 Cis/trans-isomerie ......................................................................................................... 28
3.3.2 E/Z-systeem (Cahn-Ingold-Prelog prioriteit) .................................................................... 28
3.3.3 Regels voor prioriteit ...................................................................................................... 29

3.4 dienen en polyenen ........................................................................................................... 29
3.4.1 Classificatie .................................................................................................................. 29
3.5 fysische eigenschappen van elkenen en alkynen................................................................. 30
3.5.1 Algemene kenmerken van koolwatersto`en .................................................................... 30
3.5.2 Cis/trans-isomeren en fysische eigenschappen .............................................................. 30
3.5.3 Invloed van het s-karakter op elektronegativiteit .............................................................. 31

3.6 resonatie .......................................................................................................................... 31
3.6.1 Concept stabiliteit ......................................................................................................... 31
3.6.2 Regels voor het tekenen van resonantievormen ............................................................... 31
3.6.3 Manieren waarop elektronen verhuizen ........................................................................... 32
3.7 terpenen en steroïden ....................................................................................................... 32
3.7.1 Terpenen ....................................................................................................................... 32
3.7.2 Biosynthese .................................................................................................................. 32
3.7.3 Rubber .......................................................................................................................... 33
3.7.4 Feromonen.................................................................................................................... 33

4 H4: Aromaten ...................................................................................................................... 33
4.1 inleiding............................................................................................................................ 33

4.2 structuur van benzeen ....................................................................................................... 33

, 4.2.1 Hybridisatie en geometrie .............................................................................................. 33
4.2.2 Π-elektronensysteem .................................................................................................... 34
4.2.3 Resonantie .................................................................................................................... 34

4.3 nomenclatuur van benzeenderivaten ................................................................................. 34
4.3.1 Monogesubstiteerde derivaten ....................................................................................... 34
4.3.2 Digesubstitueerde derivaten .......................................................................................... 35
4.3.3 Meer dan twee substituenten ......................................................................................... 35
4.3.4 Benzeen als substituent ................................................................................................. 35

4.4 aromaticiteit ..................................................................................................................... 35
4.4.1 Criteria voor aromaticiteit (Hückel-regels) ....................................................................... 35
4.4.2 Anti-aromaticiteit .......................................................................................................... 35
4.4.3 Niet-aromatische moleculen.......................................................................................... 36
4.4.4 Relatieve stabiliteit ........................................................................................................ 36
4.4.5 Resonantie-energie ....................................................................................................... 36
4.4.6 Cyclopentadieen en ionen ............................................................................................. 36

4.5 annulenen ........................................................................................................................ 36
4.5.1 Definitie ........................................................................................................................ 36
4.5.2 Voorbeelden .................................................................................................................. 36
4.5.3 [8] - en [10] -annuleen: waarom niet aromatisch? ............................................................ 37

4.6 polyaromaten ................................................................................................................... 37
4.6.1 Definitie ........................................................................................................................ 37
4.6.2 Types ............................................................................................................................ 37
4.6.3 Grafiet ........................................................................................................................... 37
4.7 heteroatomen ................................................................................................................... 37
4.7.1 Definitie ........................................................................................................................ 37
4.7.2 Pyridine ......................................................................................................................... 38
4.7.3 Pyrrool en porfyrine-ringsysteem .................................................................................... 38
4.7.4 Furaan en thiofeen ......................................................................................................... 38
4.7.5 Andere belangrijke heteroaromaten ................................................................................ 39
4.7.6 Imidazool: details .......................................................................................................... 39
4.7.7 Purines en pyrimidines: DNA/RNA-basen ........................................................................ 39

5 h5: sterochemie .................................................................................................................. 40
5.1 isomeren .......................................................................................................................... 40
5.1.1 Definitie en indeling ....................................................................................................... 40
5.1.2 Constitutionele isomeren............................................................................................... 40
5.1.3 Stereo-isomeren ............................................................................................................ 41

5.2 chiraliteit .......................................................................................................................... 41
5.2.1 Definitie ........................................................................................................................ 41
5.2.2 Chiraliteit in moleculen .................................................................................................. 42

5.3 stereo-isomeren tekenen................................................................................................... 42
5.3.1 Dieptevoorstelling (perspectie`ormule) .......................................................................... 42
5.3.2 Fischerprojectie ............................................................................................................ 42

5.4 stereo-isomeren ............................................................................................................... 43
5.4.1 Enatiomeren.................................................................................................................. 43

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