Hydrocarbon Reactions Flashcards
1
Q
Combustion reactions:
A
- Ignited in the presence of oxygen
Excess oxygen:
alkane + oxygen –> Carbon dioxide + water
Limited oxygen:
Alkane + oxygen –> Carbon monoxide + water
(BALANCE)!
2
Q
Substitution Reaction:
A
- Reaction with Cl2 or Br2 in UV light.
- One hydrogen atom is replaced by Cl or Br
E.x
C4H10 + Cl2 –> C4H9Cl + HCl
3
Q
Addition reactions:
(Hydrogenation)
A
- Alkenes turn into alkane
- Double bond is broken and new atoms join chain
- Hydrogenation: Reaction of hydrogen with a catalyst present.
Alkene + hydrogen -> Alkane
(BALANCE WHERE CAN)!
3
Q
Addition reactions:
(Halogenation)
A
- Alkenes turn into alkane
- Double bond is broken and new atoms join chain
- Halogenation: Reaction of halogens with a catalyst present.
Alkene + halogen –> HalogenAlkane
(BALANCE)!
4
Q
Addition reaction:
(Hydration)
A
-Alkenes turn into alcohols
- Double bond is broken and new atoms join chain
- Hydration: Reaction of water with the presence of a catalyst.
Alkene + water –> Alcohol
5
Q
Benzene reactions:
A
-Substitution Reactions.
- Hydrogen is replaced by a diff halogen/alkyl group
