Module 4 (AS organic) CHEMISTRY OCR (Questions with 100% correct answers)

What is a hydrocarbon? correct answers A compound containing hydrogen and carbon ONLY. What is meant by saturated? correct answers Single bonds only between carbon atoms What is a homologous series? correct answers Series of organic compounds with the same functional groups. With each successive iteration differing by CH2 What is a functional group? correct answers Part of a molecule responsible for the characteristic reactions of a compound What is an alkyl group? correct answers An alkene with a missing hydrogen on a branched compound. What does aliphatic mean? correct answers Carbon and hydrogen joined together through straight chains, branched chains or non aromatic rings. What does alicyclic mean? correct answers Hydrogen and carbon joined by non aromatic ring. Can be with or without branches What does aromatic mean? correct answers Contains benzene ring What is the prefix for a carbon chain of 7? correct answers Hept- What is structural isomerism? correct answers Compounds with the same molecular formula but different structural isomers What is homolytic fission ? correct answers Where each bonding atom receives one electrons from the shared pair, forming two radicals What is a radical? correct answers Atom or molecule with an unpaired electron What is heterolytic fission? correct answers Where one atom in the bonding pair receives both electrons from the shared pair What is a curly arrow? correct answers A representation of the movement of an electron pair in fission, or covalent bond formation What is an addition reaction? correct answers Two things join to form 1 What is a substitution reaction? correct answers Atom or group is replaced by different atom or group