Topic 6 Organic Chemistry

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Total cards: 24•Content version: v3•Public deck•Updated: 8/1/2026

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Front (Question)

Evidence that organic compounds do not only come from living things

Back (Answer)

Wöhler synthesised urea by heating inorganic ammonium cyanate.

Front (Question)

Hydrocarbon

Back (Answer)

A compound that only contains carbon & hydrogen atoms.

Front (Question)

Saturated

Back (Answer)

A compound containing only single bonds, i.e. as much hydrogen as possible.

Front (Question)

Unsaturated

Back (Answer)

A compound containing one or more multiple bonds.

Front (Question)

Multiple bond

Back (Answer)

Two or more covalent bonds between two atoms.

Front (Question)

Displayed formula

Back (Answer)

Shows every atom & every bond.

Front (Question)

Structural formula

Back (Answer)

Shows unambiguously how the atoms are joined together.

Front (Question)

Skeletal formula

Back (Answer)

Shows all the bonds between carbon atoms.

Front (Question)

Molecular formula

Back (Answer)

Shows the actual numbers of each atom in the molecule.

#10

Front (Question)

Empirical formula

Back (Answer)

Shows the numbers of each atom in the simplest whole number ratio.

#11

Front (Question)

Functional group

Back (Answer)

An atom or group of atoms in a molecule responsible for its chemical reactions.

#12

Front (Question)

Homologous series

Back (Answer)

A family of compounds with the same functional group, which differ in formulae by CH2 from the next member.

#13

Front (Question)

Predictable properties of compounds with the COOH functional group

Back (Answer)

Sour, acidic taste.

#14

Front (Question)

Chemical & physical properties of each homologous series

Back (Answer)

Similar chemical properties and physical properties that show a gradation– a gradual change from one compound to the next.

#15

Front (Question)

Alkanes: a homologous series

Back (Answer)

That don’t contain a functional group.

#16

Front (Question)

General formula

Back (Answer)

n = the number of carbon atoms, excluding those in the functional group.

#17

Front (Question)

General formula of alkanes

Back (Answer)

CnH2n+2

#18

Front (Question)

General formula of alkenes

Back (Answer)

CnH2n

#19

Front (Question)

General formula of halogenoalkanes

Back (Answer)

CnH2n+1X

#20

Front (Question)

General formula of alcohols

Back (Answer)

CnH2n+1OH

#21

Front (Question)

General formula of carboxylic acids

Back (Answer)

CnH2n+1COOH

#22

Front (Question)

How do alkanes (a homologous series) show the similarity in their chemical properties?

Back (Answer)

Upon complete combustion in air, they form the same products: CO2 + H2O.

#23

Front (Question)

How do alcohols show a gradation in physical properties, as a homologous series?

Back (Answer)

Boiling temperature increases as the number of carbon & hydrogen atoms increases.

#24

Front (Question)

Locant

Back (Answer)

A number used to indicate to which carbon in the chain an atom or group is attached.