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Find out why fats are solids while oils are liquids by revising esters for Higher Chemistry. Learn how the important reactions involved work.
- Esters, fats and oils Structure
Esters are formed in condensation reactions and broken by...
- Esters, fats and oils Structure
Esters are formed in condensation reactions and broken by hydrolysis. Fats and oils, important compounds in our diet, are naturally occurring esters and their structure explains their...
3 Αυγ 2022 · Esters are organic compounds which contain the functional group -COO: Physical properties. Esters are colourless, volatile compounds and therefore easily vaporise to turn from colourless liquids to colourless gases. Esters are also flammable. Esters are not very soluble in water and are less dense so will form a layer on top of aqueous solutions.
This page explains what esters are and looks at their simple physical properties such as solubility and boiling points. It includes an introduction to more complicated naturally-occurring esters like animal and vegetable fats and oils. What are esters? Esters are derived from carboxylic acids.
This video covers:- What esters are - How they're made from carboxylic acids and alcohols - Their properties Exam board specific info:AQA - Everything is re...
What are esters? Esters are derived from carboxylic acids. A carboxylic acid contains the COOH group, and in an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind such as a methyl or ethyl group.
Carboxylic Acids - Reaction with Alcohols - Esters. What is an Ester? When a carboxylic acid reacts with an alcohol in the presence of concentrated sulfuric acid, an ester is formed. Concentrated sulfuric acid is a catalyst for this reaction. Below are links to the reactions of carboxylic acids and alcohols. Click on the name of the ester to ...
