Cracking crude oil Flashcards Preview

Chemistry 1 > Cracking crude oil > Flashcards

Flashcards in Cracking crude oil Deck (6)
Loading flashcards...
1
Q

What is cracking?

A

Splitting up long-chain hydrocarbons.

2
Q

Diesel is a long-chain molecules and it makes what three fuels through cracking?

A

Petrol, Paraffin and Ethene (for plastics)

3
Q

What kind of reaction is cracking?

A

A thermal decomposition.

4
Q

Describe the process of cracking.

A

1) The long-chain hydrocarbon is vapourised
2) The vapour is passed over a powered catalyst at a temperature of 400c-700c
3) The long-chain molecules split apart (crack) on the surface of the specks of the catalyst

5
Q

What kind of a catalyst is used in cracking?

A

Aluminium oxide

6
Q

What is vapourisation?

A

When a solid or liquid is turned into a gas.