1alkanes Flashcards
1
Q
alkanes
A
a group of saturated hydrocarbons
2
Q
the general formula of alkanes are
A
CnH2n+2
3
Q
alkenes are
A
colourless compounds which have a gradual change in their physical properties as the number of carbon atoms in the chain increases
4
Q
alkenes are generally
A
unreactive compounds but they do undergo combustion reactions, can be cracked into smaller molecules and can react with halogens in the presence of light
5
Q
molecular formula of methane
A
CH4
6
Q
molecular formula of ethane
A
C2H6
7
Q
molecular formula of propane
A
C3H8
8
Q
molecular formula of butane
A
C4H10
9
Q
molecular formula of pentane
A
C5H12
10
Q
alkanes undergo a substitution reaction with
A
halogens in the presence of ultraviolet radiation
