Alkanes and alkenes Flashcards
1
Q
difference between alkanes and alkenes
A
alkenes have at least one double bond carbon
2
Q
Crude oil is made of a _______ of ________
These compounds are found in ___________
A
mixture alkanes
natural gas
3
Q
Name 3 simple alkanes
and their formula
A
methane ,ethane and propane
CH(4),C(2)H(6),C(3)H(8)
4
Q
meaning of homologous series
A
group of chemicals with similar structures
5
Q
When atoms try to form as many bonds as they can with other atoms it means they are
A
saturated
alkanes
6
Q
Alkenes can make more bonds meaning they are ……..
A
unsaturated
7
Q
Name first 3 alkenes
A
ethene, propene and butene
C(2)H(4),C(3)H(6),C(4)H(8)
8
Q
Bromine test
A
orange liquid but becomes colourless when mixed with unsaturated molecules -test to see if double bond
