Organic Chemistry

Question 1

Organic molecules

Answer 1

Molecules containing carbon atoms with the exception of carbon dioxide, carbon monoxide, diamond, graphite, carbonate etc.

Question 2

Hydrocarbons

Answer 2

Compounds that contain carbon and hydrogen atoms only

Question 3

A functional group

Answer 3

An atom or a group of atoms that form the centre of chemical activity in the molecule

Question 4

A homologous series

Answer 4

A series of similar compounds which have the same functional group and have the same general formula in which each member differed from the previous one by a single CH2 unit.

Question 5

Alkanes

Answer 5

Contain only single bonds and have the general formula CnH2n+2

Question 6

Alkenes

Answer 6

Contain at least one double bond between two carbon atoms in the chain and have the general formula CnH2n

Question 7

Alkynes

Answer 7

Contain at least one triple bond between two carbon atoms in the chain and have the general formula (CnH2n-2)

Question 8

Molecular formula

Answer 8

A chemical formula which shows how many atoms of each element there are within the molecule (C4H10)

Question 9

Structural formula

Answer 9

A diagram which shows exactly where each atom within the molecule is found

Question 10

Condensed structural formula

Answer 10

Shows how many hydrogen atoms, and or other atoms, are connected to each carbon

Question 11

Catenation

Answer 11

The ability of carbon to bond with itself

Question 12

Combustion reaction

Answer 12

A chemical reaction where a substance burns in oxygen and releases energy and a gas