Organic Chemistry Flashcards
1
Q
How was crude oil formed?
A
Plankton that was buried in mud
2
Q
What is crude oil made of?
A
Hydrocarbons
3
Q
What are hydrocarbons?
A
Compounds made of carbon and hydrogen atoms only
4
Q
What are the two main groups of hydrocarbons?
A
Alkanes and alkenes
5
Q
What is the formula for alkanes?
A
CnH2n+2
6
Q
What is an alkane with one carbon called?
A
Methane
7
Q
What is an alkane with two carbons called?
A
Ethane
8
Q
What is an alkane with three carbons called?
A
Propane
9
Q
What is an alkane with four carbons called?
A
Butane
10
Q
How many bonds can a carbon atom form?
A
4
11
Q
Is crude oil an element, compound or a mixture?
A
A mixture of many hydrocarbons
12
Q
How are the hydrocarbons separated?
A
By fractional distillation - each fraction contains hydrocarbons of similar numbers of carbon atoms, which have a similar boiling point
13
Q
A
