4(c) Alkanes Flashcards
1
Q
what are alkanes?
A
a group of saturated hydrocarbons (only single carbon - carbon bonds)
2
Q
alkanes general forumlae?
A
= Cn Hn2+2
3
Q
alkanes general forumlae?
A
= Cn Hn2+2
4
Q
reactivity of alkanes?
A
generally unreactive compounds but they d undergo combustion reactions, can be cracked into smaller molecules and can react with halogens in the presence of light
5
Q
what reaction occurs with halogens and alkanes?
A
a substitution reaction (one atom is swapped with another atom) and alkanes undergo these with halogens in the presence of ultra violet radiation
