Oil refineries separate crude oil by what process?

Explain the process where crude oil Is separated

What happens to the boiling point as chain length increases?

Alkanes are described as what?

What type of bonds are in an alkane?

Define the term: Covalent bond

Due to the covalent bonds in an alkane, each C atom is surrounded by how many electron pairs?

The electron pairs around the C atom repel each other, what shape does this make around the carbon atom? And what bond angle is between the atoms?

What is the name of the force that alkanes have?

The greater the van de Waal forces the greater the ________?

Where do London forces act?

As the Alkane chain gets longer, so does the boiling point. Why?

Fill in the blank:

Branched alkanes have ________ boiling points than straight chain alkanes.

Lower/Higher

Draw out pentane, 2-methylbutane and 2,2-Dimethylpropane. Label them with the highest boiling point and the lowest boiling point.

Name two examples of products you can get from fractional distillation.

What is the general formula of an alkane?