IB DP Chemistry: HL復習筆記10.2.8 Addition Polymers
Polymers Addition polymerisation Addition polymerisation?is one of the most important addition reactions of alkenes which form the basis of the plastic industry Addition polymerisation is the react...
IB DP Chemistry: HL復習筆記10.2.7 Alkenes - Hydration
Hydration of Alkenes When alkenes are treated with steam at?300?oC,?a pressure of?60 atmospheres?and?sulfuric acid (H2SO4)?or?phosphoric acid?(H3PO4)?catalyst, the water is added across the double ...
IB DP Chemistry: HL復習筆記10.2.6 Alkenes - Hydrohalogenation
Hydrohalogenation of Alkenes Alkenes?will react readily with?hydrogen halides?such as?HCl?and?HBr?to produce?halogenoalkanes This reaction is known as?hydrohalogenation? It is also an?electrophilic...
IB DP Chemistry: HL復習筆記10.2.5 Alkenes - Halogenation
Halogenation of Alkenes The reaction between?alkenes?and halogens is known as?halogenation It is an example of an?electrophilic?addition?where an electrophile ('electron seeker') joins onto to a do...
IB DP Chemistry: HL復習筆記10.2.4 Alkenes - Hydrogenation
Hydrogenation of Alkenes 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 The reaction betwee...
IB DP Chemistry: HL復習筆記10.2.3 Alkenes - Reactivity
Reactivity of Alkenes Alkenes?are?hydrocarbons?containing a carbon-carbon double bond The atoms around the carbon-carbon double bond adopt a?planar arrangement?and the bond angle is 120o The bondin...
IB DP Chemistry: HL復習筆記10.2.2 Alkanes - Halogenation
Halogenation of Alkanes ?Free-radical substitution of alkanes Alkanes can undergo?free-radical substitution?in which a hydrogen atom gets?substituted?by a halogen (chlorine/bromine) Since alkanes a...
IB DP Chemistry: HL復習筆記10.2.1 Alkanes - Combustion
Unreactive Alkanes Strength of C-H bonds Alkanes consist of carbon and hydrogen atoms which are bonded together by?single?bonds Unless a lot of heat is supplied, it is difficult to break these?stro...
IB DP Chemistry: HL復習筆記10.1.12 Benzene
Benzene Kekulé structure for benzene Kekulé suggested that benzene was a?hexagon?with three double bonds It was therefore equivalent to three?ethene molecules Problems with Kekulé’s structure for b...
