11.2 Naming Organic Compounds (Cambridge (CIE) O Level Chemistry): Flashcards
Exam code: 5070
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What does the prefix in an organic compound's name indicate?
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What does the prefix in an organic compound's name indicate?
The prefix indicates the length of the longest carbon chain: meth- (1 carbon), eth- (2), prop- (3), but- (4).
In organic nomenclature, the ______ indicates the functional group present in the compound.
In organic nomenclature, the suffix indicates the functional group present in the compound.
What suffix is used for alkanes, and what does it indicate?
Alkanes use the suffix -ane, indicating the compound contains only single bonds and belongs to the alkane homologous series.
An ester is named from the ______, which provides the -yl part, and the ______, which provides the -oate part.
An ester is named from the alcohol, which provides the -yl part, and the carboxylic acid, which provides the -oate part.
True or False?
The compound ethanoic acid contains three carbon atoms in its longest chain.
False.
The prefix eth- indicates two carbon atoms, so ethanoic acid contains two carbon atoms in total.
The suffix -anoic acid indicates a ______, while -ol indicates an ______.
The suffix -anoic acid indicates a carboxylic acid, while -ol indicates an alcohol.
What is the name of the ester formed from methanol and ethanoic acid?
Methyl ethanoate.
Methanol provides the methyl (-yl) part and ethanoic acid provides the -ethanoate part.
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