An introduction to the alcohols and their physical properties. Alcohols are a class of organic compounds containing the oh hydroxyl functional group. The difference in the boiling points between alcohols and alkanes with the same number of carbon atoms can be explained by the following points. Carboxylic acids contain the cooh functional group.
Alcohols are important in organic chemistry because they can be converted to and from many other types of compounds. In examinations, answers frequently require more than 1 key word for the mark, so aim to include a few key words. Learn about and revise organic chemistry with this bbc bitesize gcse chemistry ocr 21c study guide. Know and understand the intermolecular forces that attract alcohol, ether, thiol, sulfide, disulfide. The timetable for the mocks revision lists for each subject useful websiteresources. Gcse chemistry revision questions ethanol alcohols. Alcohols contain the hydroxyl group oh which produce intermolecular forces of attraction through hydrogen bonding. Did you know that the methane molecule is the simplest hydrocarbon.
Provide some uses of alcohols, then talk through the 5 main ones on ppt main. New alevel 2015 the revision guides are split into physical, inorganic and organic chemistry. Now, alcohols is the general term for any molecule that fits the pattern some type of functional group or chain of carbons oh. Esters gcse structure esters have the functional group coo production ethyl ethanoate ch3cooch2ch3 is the ester produced from ethanol and ethanoic acid in the presence of. In addition to this you will need to know about functional groups such as alcohols. Oldsetaqa gcse chemistry topic 610 paper 2 flashcards. If you are looking for gcse chemistry revision then visit maths made easy. There are lots of tips and hints to make sure that the time you spend revising is effective. Carbon can form four covalent bonds, giving rise to many carbon compounds. Write a balanced equation for the reaction of ethanol burning in air c for each of these three chemicals water, methanol and methane compare the reactions with sodium, answering these two questions for each. Combustion of alcohols combustion of alkanols chemistry. See chemical bonding for a discussion of hybrid orbitals. You need to know about alkanes, alkenes, crude oil and the process of cracking. Alcohols can range from containing 1 carbon atom in methanol or 8 carbon atoms in octanol or many more.
It is easier to study these compounds by grouping them together into a homologous series. Acidified potassium dichromatevi is a suitable oxidising agent. Alcohols can be classified as primary, secondary or tertiary, depending on how many alkyl groups are bonded to coh. Gcse chemistry question paper unit 03 chemistry june 2016. Use this booklet to help you with your revision in preparation for your year 10 chemistry examination. May 16, 2017 c3 chemistry booklet g alcohols, carboxylic acids and esters gcse exemplar questions fh c3 chemistry booklet g markscheme alcohols, carboxylic acids and esters handwritten hints and tips all year 11 students have received a free usb pen drive containing gcse past papers, markschemes and revision materials ahead of the gcse examinations. Chemical propertiesprimary and secondary but not tertiary alcohols can be easily oxidised. A level chemistry students are required to distinguish between primary, secondary and tertiary alcohols. Alkenes, alcohols and carboxylic acids aqa, ocr, edexcel. Aqa gcse chemistry revision booklets teaching resources. Comprehensive revision notes for gcse exams for physics, chemistry, biology. Here are some basic iupac rules for naming alcohols.
Alcohol alcohol structure and classification of alcohols. Oxford aqa international a level chemistry answers. Learn about types of alcohol and how they are made with bbc bitesize gcse chemistry. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. New aqa 2016 gcse chemistry organic lesson 9 and 10. Alcohols are classified as being primary, secondary or tertiary depending upon how many alkyl or aryl groups commonly known as r groups are attached to the carbon atom that is attached to the hydroxy group. Oh groups attached to a carbon atom of an alkyl group hydrocarbon chain. There are lots of tips and hints to make sure that. The book is now out of print, but if you are interested, you may be able to obtain a secondhand copy from. Gcse organic chemistry revise natural chemical compounds. Chemistry is a complicated alevel with a lot of content and information to work through.
The boiling points of the alcohols increase with increasing number of carbon atoms. Sc1 investigations predate the required gcse core practicals. Ethanol, like other alcohols undergoes complete combustion when heated in the presence of air. Edexcel 91 gcse astronomy 1as0, 91 international gcse biology 4bi1, chemistry 4ch1, physics 4ph1 and science double award, 4sd0 our. Alcohols are organic compounds and are known to be highly flamable.
Written by teachers for the cie igcse chemistry course. Introduction to alcohols and their reactions lesson 9 alcohols starter. Chemical propertiesprimary and secondary but not tertiary alcohols. Please comment if you have any questions, and subscribe if you. Powered by create your own unique website with customizable templates. Alcohols may be considered as organic derivatives of water h 2 o in which one of the hydrogen atoms has been replaced by an alkyl group, typically represented by r in organic structures. Alcohols facts, types, properties alevel chemistry. Written by teachers for the edexcel igcse chemistry course. Looking for the practice and summary question answers for the combined science. I have put together 7 booklets that are perfect for both revision purposes and to build your lesson around. The alcohol functional group hydroxyl is an oh group.
C3 aqa gcse chemistry past papers chemistry revision. Alcohol, any of a class of organic compounds characterized by one or more hydroxyl. Doc browns gcse chemistry revision notes oil, useful products, environmental problems, introduction to organic chemistry 9a. Weve already seen alcohols in many of these videos, but i thought it was about time that i actually made a video on alcohols. Ccea gcse chemistry 6569 cambridge igcse chemistry 0620 edexcel international gcse chemistry 4ch1 oxford aqa international gcse chemistry 9202 cambridge igcse chemistry 0620 for exams from 2019. This page is now obsolete please go here instead see below the booklet lists for descriptions of where i am up to in terms of production, philosophy behind them and how i use them to teach. Targeted towards aqa c3 topic 6 but suitable for edexcel and other exam boards too. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Gcse chemistry textbooks print and digital many educational books and digital resources are published each year to support qualifications. Alcohol structure and classification of alcohols britannica. Tests are administered on school campuses, and students use testing. Enthalpy combustion of alcohols practical chemistry. A short quiz on the c7 ideas in context paper for the alcohols.
Notes, worksheets and quizzes to support gcse chemistry. Oldsetaqa gcse chemistry topic 15 paper 1 314 terms. Alcohols alcohols gcse chemistry single science revision. Introduction in this experiment, you burn a measured mass of an alcohol in a spirit lamp and transfer. Free e book access to help you continue learning while the schools are closed, were giving you free access to our e books for ks3 and gcse student books. Various lab methods of converting alcohols into alkenes.
Gcse chemistry revision worksheets chemistry past papers. Alcohols alcohols higher chemistry revision bbc bitesize. In chemistry, alcohol is any organic compound in which a hydroxyl group oh is bound to a carbon atom, which in turn is bound to other hydrogen andor carbon atoms. Aqa subjects science gcse chemistry textbooks print. Youll need to accept the licence agreement, then you can view your student books online. It burns with a clean smokeless flame and is used as a transportation fuel or is blended with petrol. Alcohols ethanol manufacture fermentation physical properties. These are naturally occurring chemicals which include both carbon and hydrogen atoms.
The 91 aqa specification for gcse chemistry, examined from summer 2018. Download answers to the practice and summary questions in your aqa gcse sciences 91 biology, chemistry and physics student books. Fermented grains can produce a maximum alcohol content of about \ 16\%\, the upper limit of most beers and wines, as the yeast organism used in fermentation cannot survive in more concentrated alcoholic solutions. Gcse chemistry revision organic chemistry crude oil. When naming alcohols, the e is removed from the hydrocarbon name and an ol suffix is added. Reactions with alcohols fall into two different categories. The lesson goes over how to classify alcohols as primary, secondary and tertiary, why alcohols. New worksheets and content will be published over the next few months. The manufacture of alcohols from alkenes, and the production of ethanol by fermentation.
Alcohols with one to four carbon atoms are frequently called by common names, in which the name of the alkyl group is followed by the word alcohol according to the international union of pure and applied chemistry iupac, alcohols are named by changing the ending of the parent alkane name to ol. Alkyl groups are generally bulkier than hydrogen atoms, however, so the r. Summary notes, revision videos and past exam questions by topic for aqa chemistry gcse topic 7 organic chemistry. You can see how these types of alcohols are named in the diagrams below.
Boxers shorts is a youtube channel with adams explanations for gcse. If you are simply interested in a generalpurpose introduction to chemistry for 14 16 yearolds, you might be better looking at my edexcel igcse chemistry book. Polarity of alcohols the properties of alcohols are dominated by the hydroxyl group, coh. Boomer chemistry past paper resources more web resources kerboodle answers maths support motiv8 students resources student answers. Alcohols cie igcse chemistry revision notes save my exams.
Year 10 aqa gcse chemistry revision booklet use this booklet to help you with your revision in preparation for your year 10 chemistry examination. Aim the purpose of this experiment is to determine the heats of combustion of the alcohol butan1ol. An alcohol is an organic carbon compound containing the elements carbon c, hydrogen h, and oxygen o. Gcse chemistry alcohols all links to revision topics. Basics edexcel igcse chemistry notes save my exams. Apr 30, 2018 this resource is a gcse chemistry, organic chemistry revision workbook that will help enable students to revise this topic and has been written to cover all of the key points in the gcse chemistry 2015 specification in this section. From chemistry worksheets to chemistry past papers you will find everything here. Ethanol is made from sugars by fermentation, and concentrated using fractional distillation. Reaction with carboxylic acids oxygen sodium ethanol.
Alcohol molecules all contain the hydroxyl oh functional group. Bonding in organic compounds organic chemistry ccea. Combustion of alcohols combustion of alkanols chemistry tutorial key concepts. Feb 19, 2016 summary video on alcohols for gcse chemistry. In addition to this you will need to know about functional groups such as alcohols, carboxylic acids and esters and how to draw their structures. In gcse chemistry, students will look at organic compounds. Matthew benyohai has shared his chemistry lessons here.
Aqa gcse sciences student book answers separate sciences. To help you check your progress and understanding, the answers for the end of chapter questions in international a level chemistry for oxford international aqa examinations are available here. However, spirits such as gin, vodka, and rum usually have an alcohol. Properties of alcohols as chemistry ocr teaching resources. A lesson introducing alcohols and their properties designed for the ocr as chemistry specification.
Alcohols organic chemistry ocr 21c gcse chemistry single. Given the structure of an alcohol, ether, thiol, sulfide, aldehyde, or ketone molecule, be able to give the systemic names and vice versa. At the moment, i have placed existing worksheets in the appropriate area. Aqa gcse chemistry 8462 edexcel gcse chemistry 1ch0 ocr gateway chemistry j248 eduqas wjec chemistry. The functional group in alcohols is the hydroxyl group, coh. A microscale oxidation of alcohols resource rsc education. To find a word on this page, press f3 on your keyboard and enter text into the box. Exam questions organised by topic and difficulty, past papers and mark schemes for unit c3 aqa gcse ag chemistry. Alcohols are represented by the general formula oh. To help you find the right resource for your students, we.
Maths revision cards gcse maths books numerical reasoning tests maths genie predicted. Alcohols are classified as primary, secondary and tertiary. Organic chemistry now forms a substantial part of the gcse specifications. Alcohols, ethers, aldehydes, and ketones educational goals 1. Gcse chemistry or combined science revision topic 7 for c2 duration. Gcse chemistry foundation tier unit chemistry c3 wednesday 15 june 2016 afternoon time allowed. Aqa 19 gcse chemistry science organic chemistry revision. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two. Alcohols chemistry alevel revision gcse and alevel. Explain why alcohols can burn and state the products of burning if there is plenty of air. Pixl independence level 2 5 questions, 5 sentences, 5 words gcse chemistry organic chemistry instructions for each statement, use either the suggested website or your own text book to write a 5point summary. The best way to remember the information in this chapter is to get a pen and paper and write down your answers before clicking on.