iGCSE Flashcard Alkanes, Alkenes and Crude Oil

Front

What is catalytic cracking?

Back

A process used to break down large hydrocarbon molecules in crude oil into smaller, more useful ones, often using a catalyst.

Front

Name a common catalyst used in catalytic cracking.

Back

Aluminum oxide (Al2O3) or zeolite.

Front

What is the empirical formula of a compound?

Back

The simplest whole-number ratio of atoms of each element in a compound.

Front

What is the empirical formula of C4H8Br2?

Back

CH2Br.

Front

What is an addition reaction?

Back

A chemical reaction where two or more substances combine to form a single product.

Front

Give an example of an addition reaction.

Back

The reaction of ethene with bromine to form dibromoethane.

Front

What is a displayed formula?

Back

A representation of a molecule that shows all the atoms and the bonds between them.

Front

Which of the following does not show a displayed formula?

Back

A structural formula or molecular formula.

Front

What are intermolecular forces?

Back

Forces of attraction or repulsion between neighboring particles (atoms, molecules, or ions).

Front

Describe the intermolecular forces between alkanes.

Back

There is an attraction between the pair of electrons and the nuclei.