OCR A-Level Chemistry Module 4 | Questions and Answers with complete solution
Aliphatic hydrocarbon - A hydrocarbon with carbon atoms joined together in straight or branched chains. Alicylic hydrocarbon - A hydrocarbon with carbon atoms joined together in a ring structure. Aromatic hydrocarbon - Contain at least one benzene ring or similar structural features. Aldehyde - Carboxylic acid - Ketone - Aldehyde suffix - -al Carboxylic acid suffix - -oic acid Ketone suffix - -one Alkane general formula - CnH2n+2 Alkene general formula - CnH2n Alcohol general formula - CnH2n+1OHDisplayed formula - A formula showing the relative positioning of all the atoms in a molecule and the bonds between them. Structural formula - a formula that shows the arrangement of atoms in the molecule of a compound. Empirical formula - shows the simplest whole-number ratio of atoms of each element in the compound Molecular formula - shows the types and numbers of atoms combined in a single molecule of a molecular compound Skeletal Formula - A simplified organic formula, with hydrogen atoms removed from alkyl chains, leaving just a carbon skeleton and associated functional groups.
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