ORGANIC ACID Carboxylic acid Alkanoic acid or. At the end of the lesson, pupils should be able to name, write and draw first four members of the alkanoic.

Slides:

Advertisements

Similar presentations

Crude oil (Petroleum) A mixture of hydrocarbons (chemicals which contain only hydrogen and carbon atoms)

Advertisements

SUBSTITUTED HYDROCARBONS

1 Carboxylic Acids, Esters, Amines and Amides Carboxylic Acids Properties of Carboxylic Acids Esters Esterification and Hydrolysis.

Carboxylic Acids. A carboxylic acid contains a carboxyl group, which is a carbonyl group attach to a hydroxyl group. carbonyl group O  CH 3 — C—OH hydroxyl.

Carboxylic Acids Robert Boomer Bronte Richardson Jacob Bardwell Jeff Polasz.

Homologous Series A group of Hydrocarbons with the same General Formula and similar chemical properties. Examples – Alkanes, Alkenes and Cycloalkanes.

Chapter Sixteen Carboxylic Acids, Esters, and Other Acid Derivatives.

Chapter 17 Carboxylic Acids And Esters

CHEMISTRY DEPARTMENT WAID ACADEMY CARBOXYLIC ACIDS AND ESTERS.

Chapter 16 Carboxylic Acids and Esters

Acids, Esters and Fats Alkanoic Acids (Carboxylic Acids),

Alcohols, Carboxylic acids and Esters C3 Revision.

1 Lecture 6: Carboxylic Acids and Esters 16.1 Carboxylic Acids Copyright © 2007 by Pearson Education, Inc. Publishing as Benjamin Cummings.

After completing this topic you should be able to : Identify an alkanoic acid from the carboxyl group and the ‘-oic’ name ending. Name straight-chain.

4.1 Systematic Nomenclature 1. Definitions Molecular formula Number of atoms in a molecule (element or compound) e.g. C 2 H 4 O 2 Empirical formula Simplest.

Advanced Higher Chemistry Unit 3 Carboxylic acids.

Carboxylic Acids and Esters,

Alcohols, Acids, Esters R – OH R – COOH R – COOR1.

Unit 2 Esters. Go to question Which of the following compounds is an ester? a. b. c. d.

CARBON AND ITS COMPOUNDS

IC Properties and uses of carboxylic acids © Oxford University Press 2011 Properties and uses of carboxylic acids.

Reactions as acids. Reactions of alcohols with sodium Alcohols react with the reactive metal sodium, forming a sodium salt and hydrogen For example, ethanol.

IC Reactions of alcohols © Oxford University Press 2011 Reactions of alcohols.

5.1 Organic Chemistry Objective: to identify organic compounds, and explain their properties and reactions Outcomes: All: I can list some uses of alcohols,

Carboxylic acids. Starter Which of the following formulae represent carboxylic acids? 1.CH 3 CH 2 CH(CH 3 )COOH 2.(CH 3 ) 2 CHCHO 3.CH 3 CH 2 OH 4.C 6.

Esters The smelly compounds. What are Esters?  A group of compounds that are responsible for some natural and synthetic flavours  They are often found.

Unit 2 Esters. Go to question Which of the following compounds is an ester? The structural formula of the ester formed between ethanol.

Carboxylic Acids These are organic acids. The most common one is ethanoic acid. The functional group is C OH O.

Combustion of alcohols A.Draw out and state what kind of alcohol the following are: 1.Butan-1-ol 2.Butan-2-ol 3.2-methylbutan-2-ol 4.2,4-dimethylpentan-3-ol.

Organic Chemistry Click to start Question 1 How many structural isomers are possible with the molecular formula C 6 H 14 ?

Functional groups. Alkanols Functional group is called……………………….. General formula is ………………… First member of homologous series is called …………………………………

CARBOXYLIC ACIDS AND THEIR DERIVATIVES

Names and Formulae Remember the pattern in naming chains of hydrocarbons 1 Carbon = methane CH 4 2 Carbons = ethane C 2 H 6 3 Carbons = propane C 3 H.

AlkanesAlcohols Carboxylic acids Esters Sort the statement cards. Compare pairs of compounds e.g. alcohols and alkanes – similarities and differences.

Element Elements and Compounds Functional Groups Organic Compounds Compounds A compound is a substance composed of two or more elements, chemically combined.

Organic Chemistry Functional Groups: - Aldehydes - Ketones

Properties and reactions of Carboxylic acids. Properties of Carboxylics acids Carboxylic acids contain a carbonyl group =O and a hydroxyl group –OH Low.

CARBOXYLIC ACIDS.  Carboxylic acids are compounds which contain a Carbonyl group ( ) attached to a hydroxyl group (OH).i.e.  Carboxylic acid -COOH group.

Equilibria ⇌.

Functional Groups: - Aldehydes - Ketones - Organic Acids - Esters.

Carbonyl Compounds We just keep going, and going, and going.

Leaving Certificate Chemistry

Carboxylic Acids & Esters

Hydrocarbon Derivatives Aldehydes Ketones Carboxylic Acids Esters.

Carboxylic acids.

Chapter 1.6 Carboxylic Acids, Esters, and Fats

Leaving Certificate Chemistry

Organic Chemistry Functional Groups.

CHAPTER - 4 CARBON AND ITS COMPOUNDS

Match the organic compounds to the correct pictures

Prep-work You are an analytical chemist working at GSK. You have been given two substances “A” and “B”. They both have the molecular formula: C4H10O. You.

UNIT 2 NATURES’ CHEMISTRY

16.4 Naming Esters Esters such as ethyl butanoate provide the odor and flavor of many fruits, such as pineapples. Learning Goal Write the IUPAC and common.

Alkanoic acids and Esters

C2.7 Alcohols & Carboxylic Acids

1.6 CARBOXYLIC ACIDS, ESTERS, AND FATS

Organic chemistry 2. Alkenes

32 The Aldehydes & Ketones

CHAPTER – 4 CARBON AND ITS COMPOUNDS

Carboxylic acids.

28th June 2012 Carboxylic acids

Carboxylic acids.

5.2.0 Homologous Series Chemical Families.

Presentation transcript:

ORGANIC ACID Carboxylic acid Alkanoic acid or

At the end of the lesson, pupils should be able to name, write and draw first four members of the alkanoic acid group describe the formation of ethanoic acid by oxidation of ethanol describe ethanoic acid as an acid describe the reaction of ethanoic acid with ethanol

Carboxylic acid(alkanoic acid) FORMATION OF ETHANOIC ACID ESTER FORMATION NAME MOLECUAR FORMULA STRUCTURAL FORMULA USES

Alkanoic acid General formula - C n H 2n+1 COOH Functional Group

C H H H H H O O CC H H H Alkane C n H 2n+2 Alkanoic acid C n H 2n+1 COOH methane H O O C H Methanoic acid C H H H C H H C H H H ethane Ethanoic acid C H H H C H H H propane C H H H H O O CC H H Propanoic acid

C H H H C H H H C H H C H H C H H H O O CC H H C H H H butane Butanoic acid

Chemical Properties Ethanoic acid are weak acids It has sour taste and soluble in water It is poor conductor of electricity

It reacts with a base to form salt and water Ethanoate Ethanoic acid Calcium + water Calcium oxide + 2CH 3 COOH CaO + Ca(CH 3 COO) 2 H 2 O +

It reacts with a carbonate to give carbon dioxide 2CH 3 COOH CuCO 3 + Cu(CH 3 COO) 2 + H 2 O CO 2 + Ethanoate Ethanoic acid Copper + water Copper carbonate + Carbon dioxide +

It reacts with a reactive metal to give hydrogen 2CH 3 COOH Na + CH 3 COONa + H 2 Ethanoate Ethanoic acid Sodium + hydrogen Sodium +

Oxidation of alcohol by the action of atmospheric oxidation 2C 2 H 5 OH CH 3 COOH Ethanoic acid Ethanol O2O2 Formation

Chemical oxidation 2C 2 H 5 OH CH 3 COOH Ethanoic acid Ethanol O2O2 Formation K 2 Cr 2 O 7 Acidified Potassium dichromate –oxidation agent

Ethanoic acid reacts with ethanol to form eater and water Ethyl Ethanoate Ethanol Ester formation water Ethanoic acid H O O CC H H H H O H CC H H H H + + O O CC H H H H CC H H H H H 2 O + +

Ester are sweet smelling compounds which are responsible for many fragnces in flowers and fruits eg bananas, oranges Characteristics of esters

1. As preservatives eg vinegar 2. Manufacturing of esters 3. Making of others chemicals and drugs