unit 1 definitions module 1 (VK) 0.0 / 5 ? ChemistryArenesA2/A-levelOCR Created by: charlieCreated on: 04-01-15 21:53 delocalised electrons electrons shared between more than 2 atoms 1 of 11 addition reaction reactant added to unsaturated molecule to make saturated molecule 2 of 11 substitution reaction atom / group of atoms replaced with different atom / group on atoms 3 of 11 electrophile atom(s) attracted to electron rich centre, accepts pair of electrons to form new covalent bond 4 of 11 electrophilic substitution electrophile attracted to electron rich centre 5 of 11 functional group part of organic molecule responsible for its chemical reactions 6 of 11 nucleophile atom(s) attracted to electron deficient centre, donates pair of electrons to form new covalent bond 7 of 11 esterification alcohol + carboxylic acid --> ester + water 8 of 11 hydrolysis reactions with water or hydroxide ions that breaks chemical compound into two compounds 9 of 11 LDL responsible for carrying cholesterol and triglycerides from liver to tissues 10 of 11 HDL remove cholesterol from arteries and transport back to liver for excretion or reutilisation 11 of 11
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