Organic Chemistry Flashcards
(5 cards)
1
Q
What does a fractional distillation column have?
A
A temperature gradient (Hotter at the bottom and colder as you go up)
2
Q
What is the order for fractions going down the distillation column?
A
Petroleum gas
Petrol
Kerosene
Diesel
Heavy Fuel oil
Bitumen
3
Q
Why do long hydrocarbons have a higher melting and boiling point than short hydrocarbons?
A
They have stronger intermolecular forces and have more of them.
4
Q
What is always formed by cracking an alkane
A
An alkene
5
Q
Why are alkanes cracked?
A
Shorter hydrocarbons have more uses so are in a higher demand which makes them provide more profit.
