AQA A Level Chemistry復習筆記3.5.2 Alcohol Production
Alcohol Production Alcohols?are compounds that contain at least one?hydroxy?(-OH) group The general formula of alcohols is?CnH2n+1OH Alcohols can be prepared by a wide range of chemical reac...
AQA A Level Chemistry復習筆記3.4.6 Solution to Plastic Pollution
Disposing of Polymers Though poly(alkenes)s are extremely important in everyday such as their use as?plastics, the disposal of these polymers is problematic Poly(alkenes) are very large alka...
AQA A Level Chemistry復習筆記3.4.5 Addition Polymers
Addition Polymers Addition polymerisation Addition polymerisation?is one of the most important addition reactions of alkenes which form the basis of the plastics industry Addition polymerisa...
AQA A Level Chemistry復習筆記3.4.4 Test for Unsaturation
Test for Unsaturation Halogens can be used to test if a molecule is?unsaturated?(i.e. contains a double bond) Br2(aq) is an orange or yellow solution, called?bromine water?and this is the ha...
AQA A Level Chemistry復習筆記3.4.3 Reactions of Alkenes
Alkenes: Reactions Alkenes are very useful compounds as they can undergo many types of reactions They can therefore be used as starting molecules when making new compounds Electrophilic addi...
AQA A Level Chemistry復習筆記3.4.2 Isomerism in Alkenes
Isomerism in Alkenes Unsaturated compounds In unsaturated compounds, the groups attached to the C=C carbons remain fixed in their position This is because free rotation of the bonds about th...
AQA A Level Chemistry復習筆記3.3.3 Ozone Depletion
Uses Fluorohalogenoalkanes The most common?halogenoalkanes?are?chlorofluorocarbons?(CFCs) These compounds contain carbon atoms with chlorine and fluorine atoms attached to them E.g. CCl3F an...
AQA A Level Chemistry復習筆記3.3.2 Reactions of Halogenoalkanes
The Key Reactions of the Halogenoalkanes Types of Reactions that halogenoalkanes undergo: Halogenoalkanes?are much more reactive than alkanes due to the presence of the?electronegative?halog...
AQA A Level Chemistry復習筆記3.2.4 Chlorination of Alkanes
Free Radical Substitution ?Free-radical substitution of alkanes Alkanes can undergo?free-radical substitution?in which a hydrogen atom gets?substituted?by a halogen (chlorine/bromine) Since ...
