3.1.6 Alkanes

?
  • Created by: Jade
  • Created on: 19-01-13 15:10
Alkanes
family of organic molecules which only contain carbon and hydrogen
1 of 11
General Formula (of alkanes)
Cn+H2n +2
2 of 11
Catalytic Cracking
Fuel with C11-C14 chains are cracked into smaller molecules on a silica-alumina catalyst, called a zeolite catalyst, at temps of 400-500 and under slight pressure.
3 of 11
Natural Gas
consists mainly of methane, but also ethane, propane, butane and isobutane
4 of 11
Petroleum
complex mixture of hydrocarbons that must be refined into different fractions before it can be used
5 of 11
Refining
is the fractional distilation of crude oil into 3 principle cuts: straight-run gasoline, kerosene and gas oil
6 of 11
octane number
anti-knock properties of a fuel are measured in terms of this
7 of 11
thermal cracking
C-C bonds in alkanes can be broken this way. Occurs under very high temps (700-1200 K) and pressure (7000kPa)
8 of 11
Free Radiicals
molecule with an unpaired electron
9 of 11
Incomplete Combustion
if there is a limited amount of O2 then CO is produced as a by-product (even less O2, soot is produced)
10 of 11
Desulphurisation
CaO (calcium oxide) or CaCO3 (limestone) added to power stations to absorb sulphur dioxide.
11 of 11

Other cards in this set

Card 2

Front

Cn+H2n +2

Back

General Formula (of alkanes)

Card 3

Front

Fuel with C11-C14 chains are cracked into smaller molecules on a silica-alumina catalyst, called a zeolite catalyst, at temps of 400-500 and under slight pressure.

Back

Preview of the back of card 3

Card 4

Front

consists mainly of methane, but also ethane, propane, butane and isobutane

Back

Preview of the back of card 4

Card 5

Front

complex mixture of hydrocarbons that must be refined into different fractions before it can be used

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Functional Groups resources »