Homologous series Flashcards
1
Q
What is a homologous series?
A
a group of hydrocarbons with similar chemical properties and the same general formula
2
Q
What are hydrocarbons?
A
Compounds containing only hydrogen and carbon atoms
3
Q
What is saturation?
A
Hydrocarbons containing only single carbon-carbon bond
4
Q
What is unsaturation?
A
Hydrocarbons that contain at least one double or triple carbon-carbon bond
5
Q
How can you tell if a compound is unsaturated?
A
It will decolourise bromine
6
Q
What is an isomer?
A
compounds with the same molecular formula but different structural formula
7
Q
What is the general formula for alkanes?
A
CnH2n+2
8
Q
What is a use for alkanes?
A
fuels
9
Q
What is the general formula for cycloalkanes?
A
CnH2n
10
Q
Which homologous series are unsaturated?
A
Alkenes, alkanols and carboxylic acids
