Sunday, 22 May 2011

3.1 I can explain the terms homologous series, hydrocarbon, saturated, unsaturated, general formula and isomerism

Term
Definition
Example
Homologous series



Hydrocarbon
 A compound containing both HYDROGEN and CARBON

 any Alkane.. eg. METHANE
Saturated hydrocarbon
Alkanes, are chemical compounds that consist only of the elements carbon (C) and hydrogen (H)wherein these atoms are linked together exclusively by single bonds

 Propane
Unsaturated hydrocarbon
Unsaturated hydrocarbons are hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
 Ethine (INE)
General formula
 A formula used to calculate both the amount of CARBON and the amount of HYDROGEN


Cn H 2n+ 2
Isomerism
 Having the same molecular formula, but a different displayed formula (different structure)

 Pentane

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