Pearson Science Double Award Chemistry 4: Organic Chemistry
Pearson Science Double Award notes on crude oil, hydrocarbons, cracking, alkenes and addition polymers.
Organic chemistry connects carbon structures with fuel behaviour and polymer formation. The 4SD0 Double Award scope covers hydrocarbons, crude oil, alkanes, alkenes and addition polymers. Alcohols, carboxylic acids, esters and condensation polymers are separate-Chemistry content and are deliberately excluded here.
Representing and naming hydrocarbons
A hydrocarbon contains carbon and hydrogen only. A homologous series is a family with the same functional group and general formula, similar chemical properties, and a gradual trend in physical properties. Successive members differ by .
A molecular formula gives the number of each atom, while an empirical formula gives the simplest ratio. A displayed formula shows every atom and bond. A structural formula groups atoms while retaining connectivity, such as
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