Oxidation of Aldehydes Aldehydes and ketones contain the carbonyl functional group, C=O This is why aldehydes and ketones are also known as carbonyls The difference between aldehydes and ket...
Carboxylic Acids Carboxylic acids Carboxylic acid?is the name given to the family of compounds that contain the?carboxyl?functional group,?-COOH The general formula of a carboxylic acid is?C...
Edexcel IGCSE Maths復(fù)習(xí)筆記 1.12.2 Calculations using Bounds What are bounds? Bounds are the smallest – the?Lower Bound (LB)?– and largest – the?Upper Bound (UB)?– numbers that a?rounded?number can...
Structure of Benzene In normal, everyday conversation the word 'aromatic' is used to refer to pleasant, fragrant smells However, in chemistry, it is used to describe molecules that contain o...
Edexcel IGCSE Maths復(fù)習(xí)筆記 1.12.1 Bounds & Error Intervals - Basics What are bounds? Bounds are the smallest – the?Lower Bound (LB)?– and largest – the?Upper Bound (UB)?– numbers that a?rounde...
Aliphatic Amines Amines Amines?can be thought of as derivates of ammonia, in which one or more of the hydrogens is replaced by an alkyl or aryl group The number of substituted hydrogens is t...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 1.11.1 Ratios What is a ratio? A?ratio?is a way of comparing one part of a whole to another A?ratio?can also be expressed as a?fraction?(of the whole) We often use a ra...
Condensation Polymers Addition polymerisation has been covered in reactions of alkenes They are made using monomers that have C=C double bonds joined together to form polymers such as polyet...
Amino Acids Amino acids?are?organic compounds?that contain two functional groups: A basic?amino?(-NH2) group An acidic?carboxylic?acid?(-COOH) group Due to the presence of both a?basi...
