Ogljikovodiki so temelj organske kemije in jih srečuješ povsod -... Show more
Kemija
Matematika
Angleščina
GeografijaSign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
136
•
Updated Apr 19, 2026
•
Osnove ogljikovodikov in njihove vrste
1 / 7
Kaj so ogljikovodiki?
Predstavljaj si ogljikovodike kot LEGO kocke kemije - iz samo dveh vrst atomov (ogljik in vodik) lahko zgradiš tisoče različnih molekul! Te spojine najdeš v nafti, zemeljskem plinu in plastiki.
Ključne delitve ogljikovodikov:
- Nasičeni ogljikovodiki (alkani) - imajo samo enojne vezi, zato so "polni" vodika
- Nenasičeni ogljikovodiki (alkeni, alkini) - imajo dvojne ali trojne vezi, zato lahko vežejo še več atomov
Homologna vrsta je kot družina spojin z isto splošno formulo. Vsak naslednji član ima eno -CH₂- skupino več - kot stopnice!
💡 Nasvet: Zapomni si predpone met-, et-, prop-, but- - potreboval jih boš pri vsakem poimenovanju!
Alkani - mirni velikani
Alkani so nasičeni ogljikovodiki z enojnimi vezmi. So kot stabilen prijatelj - zanesljivi, a ne preveč razburljivi kemično.
Splošna formula: CₙH₂ₙ₊₂ (to moraš znati na pamet!)
Če imaš 3 ogljikove atome , boš imel C₃H₈ vodikovih atomov. Enostavno!
Prvih 10 alkanov: Metan (CH₄), etan (C₂H₆), propan (C₃H₈), butan (C₄H₁₀), pentan (C₅H₁₂), heksan (C₆H₁₄), heptan (C₇H₁₆), oktan (C₈H₁₈), nonan (C₉H₂₀), dekan (C₁₀H₂₂).
🔥 Pomembno: Vsa imena se končajo na -an. To je tvoj prvi namig, da gre za alkan!
Alkeni - dvojno močnejši
Alkeni so nenasičeni ogljikovodiki z vsaj eno dvojno vezjo C=C. Ta dvojna vez jih dela bolj reaktivne - kot da imajo več energije za kemijske reakcije.
Splošna formula: CₙH₂ₙ - opazi, da imajo manj vodikovih atomov kot alkani!
Najenostavnejši je eten (C₂H₄) - potrebuješ vsaj dva ogljikova atoma za dvojno vez. "Meten" ne obstaja!
Primeri: eten (C₂H₄), propen (C₃H₆), buten (C₄H₈)
⚡ Ključno: Končnica -en ti pove, da gre za alken z dvojno vezjo!
Alkini - trojno močni
Alkini so najbolj reaktivni ogljikovodiki z trojno vezjo C≡C. Trojna vez jim daje ogromno energije za kemijske reakcije.
Splošna formula: CₙH₂ₙ₋₂ - imajo najmanj vodikovih atomov!
Najenostavnejši je etin (C₂H₂), znan tudi kot acetilen za varjenje. Spet potrebuješ vsaj dva ogljikova atoma.
Primeri: etin (C₂H₂), propin (C₃H₄), butin (C₄H₆)
🎯 Zapomni si: Končnica -in = trojna vez = najbolj reaktiven!
Reševanje primerov
Primer 1: Spojina C₆H₁₂ - katera je?
Preprosto preverjaš splošne formule:
- Alkani: C₆H₁₄ ❌
- Alkeni: C₆H₁₂ ✅
- Alkini: C₆H₁₀ ❌
Odgovor: heksen
Primer 2: Molekulska formula za oktan?
Okt- pomeni 8 C atomov, -an pomeni alkan. Uporabiš CₙH₂ₙ₊₂: C₈H₁₆₊₂ = C₈H₁₈
📝 Nasvet: Vedno najprej ugotovi število C atomov iz predpone, potem uporabi pravo splošno formulo!
Hitri pregled za test
Tabela za hitre preverjanje:
| Vrsta | Vez | Formula | Končnica | Primer |
|---|---|---|---|---|
| Alkani | C-C | CₙH₂ₙ₊₂ | -an | Propan C₃H₈ |
| Alkeni | C=C | CₙH₂ₙ | -en | Propen C₃H₆ |
| Alkini | C≡C | CₙH₂ₙ₋₂ | -in | Propin C₃H₄ |
Pri strukturnih formulah vedno preveri: ima vsak ogljikov atom natanko 4 vezi? Če ne, dodaj manjkajoče vodikove atome!
Ključne predpone: met(1), et(2), prop(3), but(4), pent(5), heks(6), hept(7), okt(8), non(9), dek(10)
🏆 Za odličen test: Nauči se predpone, splošne formule in pomen končnic. To pokriva 80% vprašanj!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Most popular content in Kemija
Most popular content
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
Osnove ogljikovodikov in njihove vrste
Ogljikovodiki so temelj organske kemije in jih srečuješ povsod - od bencina v avtomobilih do plastike v telefonu. To so spojine, ki vsebujejo samo ogljik in vodik, a kljub preprostosti tvorijo ogromno različnih molekul.
Kaj so ogljikovodiki?
Predstavljaj si ogljikovodike kot LEGO kocke kemije - iz samo dveh vrst atomov (ogljik in vodik) lahko zgradiš tisoče različnih molekul! Te spojine najdeš v nafti, zemeljskem plinu in plastiki.
Ključne delitve ogljikovodikov:
- Nasičeni ogljikovodiki (alkani) - imajo samo enojne vezi, zato so "polni" vodika
- Nenasičeni ogljikovodiki (alkeni, alkini) - imajo dvojne ali trojne vezi, zato lahko vežejo še več atomov
Homologna vrsta je kot družina spojin z isto splošno formulo. Vsak naslednji član ima eno -CH₂- skupino več - kot stopnice!
💡 Nasvet: Zapomni si predpone met-, et-, prop-, but- - potreboval jih boš pri vsakem poimenovanju!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Alkani - mirni velikani
Alkani so nasičeni ogljikovodiki z enojnimi vezmi. So kot stabilen prijatelj - zanesljivi, a ne preveč razburljivi kemično.
Splošna formula: CₙH₂ₙ₊₂ (to moraš znati na pamet!)
Če imaš 3 ogljikove atome , boš imel C₃H₈ vodikovih atomov. Enostavno!
Prvih 10 alkanov: Metan (CH₄), etan (C₂H₆), propan (C₃H₈), butan (C₄H₁₀), pentan (C₅H₁₂), heksan (C₆H₁₄), heptan (C₇H₁₆), oktan (C₈H₁₈), nonan (C₉H₂₀), dekan (C₁₀H₂₂).
🔥 Pomembno: Vsa imena se končajo na -an. To je tvoj prvi namig, da gre za alkan!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Alkeni - dvojno močnejši
Alkeni so nenasičeni ogljikovodiki z vsaj eno dvojno vezjo C=C. Ta dvojna vez jih dela bolj reaktivne - kot da imajo več energije za kemijske reakcije.
Splošna formula: CₙH₂ₙ - opazi, da imajo manj vodikovih atomov kot alkani!
Najenostavnejši je eten (C₂H₄) - potrebuješ vsaj dva ogljikova atoma za dvojno vez. "Meten" ne obstaja!
Primeri: eten (C₂H₄), propen (C₃H₆), buten (C₄H₈)
⚡ Ključno: Končnica -en ti pove, da gre za alken z dvojno vezjo!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Alkini - trojno močni
Alkini so najbolj reaktivni ogljikovodiki z trojno vezjo C≡C. Trojna vez jim daje ogromno energije za kemijske reakcije.
Splošna formula: CₙH₂ₙ₋₂ - imajo najmanj vodikovih atomov!
Najenostavnejši je etin (C₂H₂), znan tudi kot acetilen za varjenje. Spet potrebuješ vsaj dva ogljikova atoma.
Primeri: etin (C₂H₂), propin (C₃H₄), butin (C₄H₆)
🎯 Zapomni si: Končnica -in = trojna vez = najbolj reaktiven!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Reševanje primerov
Primer 1: Spojina C₆H₁₂ - katera je?
Preprosto preverjaš splošne formule:
- Alkani: C₆H₁₄ ❌
- Alkeni: C₆H₁₂ ✅
- Alkini: C₆H₁₀ ❌
Odgovor: heksen
Primer 2: Molekulska formula za oktan?
Okt- pomeni 8 C atomov, -an pomeni alkan. Uporabiš CₙH₂ₙ₊₂: C₈H₁₆₊₂ = C₈H₁₈
📝 Nasvet: Vedno najprej ugotovi število C atomov iz predpone, potem uporabi pravo splošno formulo!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Hitri pregled za test
Tabela za hitre preverjanje:
| Vrsta | Vez | Formula | Končnica | Primer |
|---|---|---|---|---|
| Alkani | C-C | CₙH₂ₙ₊₂ | -an | Propan C₃H₈ |
| Alkeni | C=C | CₙH₂ₙ | -en | Propen C₃H₆ |
| Alkini | C≡C | CₙH₂ₙ₋₂ | -in | Propin C₃H₄ |
Pri strukturnih formulah vedno preveri: ima vsak ogljikov atom natanko 4 vezi? Če ne, dodaj manjkajoče vodikove atome!
Ključne predpone: met(1), et(2), prop(3), but(4), pent(5), heks(6), hept(7), okt(8), non(9), dek(10)
🏆 Za odličen test: Nauči se predpone, splošne formule in pomen končnic. To pokriva 80% vprašanj!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
1
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Practice Test ✓ Essay Outlines
Practice Test
Quiz
Flashcards
Essay
Most popular content in Kemija
Most popular content
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user