Nomenclature of Organic Compounds (OCR A-Level Chemistry A): Flashcards

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Nomenclature of Organic Compounds
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IUPAC's role in organic chemistry

Provides standardised naming system for organic compounds

General formula for alkanes

CnH2n+2C_nH_{2n+2}

General formula for alkenes (one double bond)

CnH2nC_nH_{2n}

Stem in IUPAC name indicates

Number of carbons in longest continuous chain

Suffix in IUPAC name indicates

Main functional group present in the molecule

Suffix for alkanes

-ane

Suffix for alkenes

-ene

Suffix for alcohols

-ol

Prefix for cyclic alkanes

cyclo-

Definition of homologous series

Family with same functional group, differing by CH2CH_2 unit

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