Alkanes Flashcards
1
Q
what is the general formulae of alkanes?
A
CnH2n+2
2
Q
what does this phrase mean, alkanes are saturated hydrocarbons.
A
Alkanes are molecules made of only hydrogen and carbon atoms with only single covalent bonds
3
Q
how many carbon atoms are in methane?
A
1
4
Q
how many carbon atoms are in ethane?
A
2
5
Q
how many carbon atoms are in propane?
A
3
6
Q
how many carbon atoms are in butane?
A
4
7
Q
how many carbon atoms are in pentane?
A
5
8
Q
what conditions do alkanes need to react with bromine?
A
must be in the presence of UV light
9
Q
what is the symbol equation for the reaction of methane with bromine?
A
CH4 +Br2 —>CH3Br + Hbr
10
Q
What type of reaction is alkanes reaction with bromine?
A
a substitution reaction.