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42
0
alicia :)
27/07/2025
Chemistry
CCEA GCSE chemistry- Organic chemistry
1,667
•
27 Jul 2025
•
alicia :)
@aleeseeah
Organic Chemistry Fundamentals in GCSE Chemistry- A comprehensive guide... Show more
Page 2: Functional Groups and Combustion
This page focuses on functional groups in organic compounds and the process of combustion.
Definition: A functional group is a reactive group in a molecule that causes many of the reactions of the compounds in the homologous series.
The text identifies the functional groups for alkenes (-C=C-), alcohols (-OH), and carboxylic acids (-COOH). It emphasizes that alkanes lack a functional group, making them less reactive.
The page then delves into combustion reactions, a key topic in CCEA GCSE Chemistry Unit 1 past papers.
Highlight: Complete combustion occurs in a plentiful supply of oxygen, forming carbon dioxide and water, while incomplete combustion in limited oxygen produces carbon monoxide and sometimes soot.
The text explains the differences between alkanes and alkenes gcse in terms of their combustion properties. It also discusses the dangers of carbon monoxide and the importance of proper ventilation and safety measures.
Vocabulary: Flueless gas fires are fitted with catalytic converters, which convert toxic carbon monoxide to non-toxic carbon dioxide.
The page concludes by comparing the combustion of alcohols to that of alkanes and alkenes, noting that alcohols burn with a blue flame due to their lower carbon content.
This comprehensive guide serves as an excellent resource for students preparing for CCEA Chemistry GCSE past papers and exams, covering essential topics in organic chemistry as outlined in the CCEA GCSE Chemistry specification.
This section explores functional groups and combustion processes in organic chemistry, essential for understanding BBC Bitesize organic chemistry.
Definition: A functional group is a reactive group within a molecule that determines its chemical behavior.
Highlight: Different functional groups include:
The page extensively covers combustion processes:
Example: Complete combustion occurs in plentiful oxygen supply, producing CO₂ and H₂O, while incomplete combustion in limited oxygen produces CO and H₂O.
Vocabulary: Carbon monoxide is a toxic, colorless, odorless gas that binds to hemoglobin, reducing oxygen-carrying capacity in blood.
Page 1: Foundations of Organic Chemistry
This page introduces fundamental concepts in organic chemistry, focusing on hydrocarbons and fractional distillation.
Definition: A homologous series is a family of organic compounds with the same general formula, similar chemical properties, gradation in physical properties, and successive differences of CH₂ units.
The page explains the naming conventions for hydrocarbons based on the number of carbon atoms. It then delves into the process of fractional distillation of crude oil gcse, a crucial technique in the petroleum industry.
Highlight: Fractional distillation separates crude oil into simpler mixtures of hydrocarbons called fractions, with each fraction condensing at different temperatures in the fractionating column.
The text provides a detailed explanation of how fractional distillation works, including the role of bubble caps and temperature gradients in the fractionating column. It also lists the various fractions obtained and their uses, from refinery gases to bitumen.
Vocabulary: Cracking is the breakdown of larger, less useful saturated hydrocarbon molecules into smaller, more useful ones, some of which are unsaturated.
The page concludes with an overview of alkanes, alkenes, alcohols, and carboxylic acids, including their general formulas and relative reactivity.
Example: Alkanes have the general formula CₙH₂ₙ₊₂, while alkenes follow CₙH₂ₙ.
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
App Store
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. 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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. 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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
alicia :)
@aleeseeah
Organic Chemistry Fundamentals in GCSE Chemistry - A comprehensive guide covering homologous series, hydrocarbons, and functional groups, with special focus on fractional distillation GCSE Chemistry and the differences between alkanes and alkenes GCSE.
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Join milions of students
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Page 2: Functional Groups and Combustion
This page focuses on functional groups in organic compounds and the process of combustion.
Definition: A functional group is a reactive group in a molecule that causes many of the reactions of the compounds in the homologous series.
The text identifies the functional groups for alkenes (-C=C-), alcohols (-OH), and carboxylic acids (-COOH). It emphasizes that alkanes lack a functional group, making them less reactive.
The page then delves into combustion reactions, a key topic in CCEA GCSE Chemistry Unit 1 past papers.
Highlight: Complete combustion occurs in a plentiful supply of oxygen, forming carbon dioxide and water, while incomplete combustion in limited oxygen produces carbon monoxide and sometimes soot.
The text explains the differences between alkanes and alkenes gcse in terms of their combustion properties. It also discusses the dangers of carbon monoxide and the importance of proper ventilation and safety measures.
Vocabulary: Flueless gas fires are fitted with catalytic converters, which convert toxic carbon monoxide to non-toxic carbon dioxide.
The page concludes by comparing the combustion of alcohols to that of alkanes and alkenes, noting that alcohols burn with a blue flame due to their lower carbon content.
This comprehensive guide serves as an excellent resource for students preparing for CCEA Chemistry GCSE past papers and exams, covering essential topics in organic chemistry as outlined in the CCEA GCSE Chemistry specification.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This section explores functional groups and combustion processes in organic chemistry, essential for understanding BBC Bitesize organic chemistry.
Definition: A functional group is a reactive group within a molecule that determines its chemical behavior.
Highlight: Different functional groups include:
The page extensively covers combustion processes:
Example: Complete combustion occurs in plentiful oxygen supply, producing CO₂ and H₂O, while incomplete combustion in limited oxygen produces CO and H₂O.
Vocabulary: Carbon monoxide is a toxic, colorless, odorless gas that binds to hemoglobin, reducing oxygen-carrying capacity in blood.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Page 1: Foundations of Organic Chemistry
This page introduces fundamental concepts in organic chemistry, focusing on hydrocarbons and fractional distillation.
Definition: A homologous series is a family of organic compounds with the same general formula, similar chemical properties, gradation in physical properties, and successive differences of CH₂ units.
The page explains the naming conventions for hydrocarbons based on the number of carbon atoms. It then delves into the process of fractional distillation of crude oil gcse, a crucial technique in the petroleum industry.
Highlight: Fractional distillation separates crude oil into simpler mixtures of hydrocarbons called fractions, with each fraction condensing at different temperatures in the fractionating column.
The text provides a detailed explanation of how fractional distillation works, including the role of bubble caps and temperature gradients in the fractionating column. It also lists the various fractions obtained and their uses, from refinery gases to bitumen.
Vocabulary: Cracking is the breakdown of larger, less useful saturated hydrocarbon molecules into smaller, more useful ones, some of which are unsaturated.
The page concludes with an overview of alkanes, alkenes, alcohols, and carboxylic acids, including their general formulas and relative reactivity.
Example: Alkanes have the general formula CₙH₂ₙ₊₂, while alkenes follow CₙH₂ₙ.
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
App Store
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. 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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. 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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
